115415551507 has 2 divisors, whose sum is σ = 115415551508. Its totient is φ = 115415551506.

The previous prime is 115415551501. The next prime is 115415551519. The reversal of 115415551507 is 705155514511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115415551507 - 2⁷ = 115415551379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115415551507.

It is not a weakly prime, because it can be changed into another prime (115415551501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57707775753 + 57707775754.

It is an arithmetic number, because the mean of its divisors is an integer number (57707775754).

Almost surely, 2^115415551507 is an apocalyptic number.

115415551507 is a deficient number, since it is larger than the sum of its proper divisors (1).

115415551507 is an equidigital number, since it uses as much as digits as its factorization.

115415551507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87500, while the sum is 40.

The spelling of 115415551507 in words is "one hundred fifteen billion, four hundred fifteen million, five hundred fifty-one thousand, five hundred seven".