115551466543512 has 40 divisors (see below), whose sum is σ = 323651098422300. Its totient is φ = 38517155514288.

The previous prime is 115551466543501. The next prime is 115551466543517. The reversal of 115551466543512 is 215345664155511.

115551466543512 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 5 + 1 + 46 + 6 + 543 + 51 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115551466543517) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 89160081562 + ... + 89160082857.

Almost surely, 2^{115551466543512} is an apocalyptic number.

115551466543512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115551466543512 is an abundant number, since it is smaller than the sum of its proper divisors (208099631878788).

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

115551466543512 is a wasteful number, since it uses less digits than its factorization.

115551466543512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178320164437 (or 178320164424 counting only the distinct ones).

The product of its digits is 10800000, while the sum is 54.

The spelling of 115551466543512 in words is "one hundred fifteen trillion, five hundred fifty-one billion, four hundred sixty-six million, five hundred forty-three thousand, five hundred twelve".