1149784954920 has 384 divisors, whose sum is σ = 4478036918400. Its totient is φ = 261647511552.

The previous prime is 1149784954861. The next prime is 1149784954931. The reversal of 1149784954920 is 294594879411.

1149784954920 is a `hidden beast` number, since 1 + 1 + 4 + 9 + 7 + 84 + 9 + 549 + 2 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11964984 + ... + 12060696.

It is an arithmetic number, because the mean of its divisors is an integer number (11661554475).

Almost surely, 2^{1149784954920} is an apocalyptic number.

1149784954920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149784954920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2239018459200).

1149784954920 is an abundant number, since it is smaller than the sum of its proper divisors (3328251963480).

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

1149784954920 is a wasteful number, since it uses less digits than its factorization.

1149784954920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95974 (or 95957 counting only the distinct ones).

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

The spelling of 1149784954920 in words is "one trillion, one hundred forty-nine billion, seven hundred eighty-four million, nine hundred fifty-four thousand, nine hundred twenty".