1148485121190 has 128 divisors (see below), whose sum is σ = 3342318819840. Its totient is φ = 278314704000.

The previous prime is 1148485121089. The next prime is 1148485121197. The reversal of 1148485121190 is 911215848411.

1148485121190 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 48 + 512 + 1 + 1 + 90 = 666.

It is a super-2 number, since 2×1148485121190² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148485121197) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7878465 + ... + 8022915.

It is an arithmetic number, because the mean of its divisors is an integer number (26111865780).

Almost surely, 2^{1148485121190} is an apocalyptic number.

1148485121190 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 1148485121190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671159409920).

1148485121190 is an abundant number, since it is smaller than the sum of its proper divisors (2193833698650).

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

1148485121190 is a wasteful number, since it uses less digits than its factorization.

1148485121190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147155 (or 147149 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 45.

The spelling of 1148485121190 in words is "one trillion, one hundred forty-eight billion, four hundred eighty-five million, one hundred twenty-one thousand, one hundred ninety".