2015115157751 has 16 divisors (see below), whose sum is σ = 2026378473600. Its totient is φ = 2003885008128.

The previous prime is 2015115157721. The next prime is 2015115157763. The reversal of 2015115157751 is 1577515115102.

It is a cyclic number.

It is not a de Polignac number, because 2015115157751 - 2²² = 2015110963447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2015115157699 and 2015115157708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015115157721) 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, 343346045 + ... + 343351913.

It is an arithmetic number, because the mean of its divisors is an integer number (126648654600).

Almost surely, 2^{2015115157751} is an apocalyptic number.

2015115157751 is a deficient number, since it is larger than the sum of its proper divisors (11263315849).

2015115157751 is a wasteful number, since it uses less digits than its factorization.

2015115157751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378.

The product of its (nonzero) digits is 61250, while the sum is 41.

The spelling of 2015115157751 in words is "two trillion, fifteen billion, one hundred fifteen million, one hundred fifty-seven thousand, seven hundred fifty-one".