25152751515 has 16 divisors (see below), whose sum is σ = 41332089888. Its totient is φ = 13052238336.

The previous prime is 25152751499. The next prime is 25152751531. The reversal of 25152751515 is 51515725152.

It is an interprime number because it is at equal distance from previous prime (25152751499) and next prime (25152751531).

It is not a de Polignac number, because 25152751515 - 2⁴ = 25152751499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22659582 + ... + 22660691.

It is an arithmetic number, because the mean of its divisors is an integer number (2583255618).

Almost surely, 2^25152751515 is an apocalyptic number.

25152751515 is a deficient number, since it is larger than the sum of its proper divisors (16179338373).

25152751515 is a wasteful number, since it uses less digits than its factorization.

25152751515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45320318.

The product of its digits is 87500, while the sum is 39.

The spelling of 25152751515 in words is "twenty-five billion, one hundred fifty-two million, seven hundred fifty-one thousand, five hundred fifteen".