115012666551 has 16 divisors (see below), whose sum is σ = 159154934400. Its totient is φ = 73789980768.

The previous prime is 115012666547. The next prime is 115012666553. The reversal of 115012666551 is 155666210511.

It is not a de Polignac number, because 115012666551 - 2² = 115012666547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115012666553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2126361 + ... + 2179778.

It is an arithmetic number, because the mean of its divisors is an integer number (9947183400).

Almost surely, 2^115012666551 is an apocalyptic number.

115012666551 is a deficient number, since it is larger than the sum of its proper divisors (44142267849).

115012666551 is a wasteful number, since it uses less digits than its factorization.

115012666551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306478.

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 115012666551 in words is "one hundred fifteen billion, twelve million, six hundred sixty-six thousand, five hundred fifty-one".