115615510151 has 4 divisors (see below), whose sum is σ = 115619483904. Its totient is φ = 115611536400.

The previous prime is 115615510147. The next prime is 115615510159. The reversal of 115615510151 is 151015516511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115615510151 - 2² = 115615510147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115615510159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942910 + ... + 2001531.

It is an arithmetic number, because the mean of its divisors is an integer number (28904870976).

Almost surely, 2^115615510151 is an apocalyptic number.

115615510151 is a deficient number, since it is larger than the sum of its proper divisors (3973753).

115615510151 is an equidigital number, since it uses as much as digits as its factorization.

115615510151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973752.

The product of its (nonzero) digits is 3750, while the sum is 32.

The spelling of 115615510151 in words is "one hundred fifteen billion, six hundred fifteen million, five hundred ten thousand, one hundred fifty-one".