1148386979250 has 384 divisors, whose sum is σ = 3764948967936. Its totient is φ = 246564864000.

The previous prime is 1148386979219. The next prime is 1148386979263. The reversal of 1148386979250 is 529796838411.

1148386979250 is a `hidden beast` number, since 1 + 1 + 483 + 8 + 69 + 7 + 92 + 5 + 0 = 666.

It is a super-2 number, since 2×1148386979250² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 146455330 + ... + 146463170.

It is an arithmetic number, because the mean of its divisors is an integer number (9804554604).

It is a 1-persistent number, because it is pandigital, but 2⋅1148386979250 = 2296773958500 is not.

Almost surely, 2^{1148386979250} is an apocalyptic number.

1148386979250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148386979250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1882474483968).

1148386979250 is an abundant number, since it is smaller than the sum of its proper divisors (2616561988686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148386979250 is a wasteful number, since it uses less digits than its factorization.

1148386979250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435 (or 8422 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 1148386979250 in words is "one trillion, one hundred forty-eight billion, three hundred eighty-six million, nine hundred seventy-nine thousand, two hundred fifty".