25275137625015 has 32 divisors (see below), whose sum is σ = 40455115683840. Its totient is φ = 13475109156864.

The previous prime is 25275137625013. The next prime is 25275137625019. The reversal of 25275137625015 is 51052673157252.

It is not a de Polignac number, because 25275137625015 - 2¹ = 25275137625013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25275137625013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 571723042 + ... + 571767248.

It is an arithmetic number, because the mean of its divisors is an integer number (1264222365120).

Almost surely, 2^{25275137625015} is an apocalyptic number.

25275137625015 is a deficient number, since it is larger than the sum of its proper divisors (15179978058825).

25275137625015 is a wasteful number, since it uses less digits than its factorization.

25275137625015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57391.

The product of its (nonzero) digits is 4410000, while the sum is 51.

The spelling of 25275137625015 in words is "twenty-five trillion, two hundred seventy-five billion, one hundred thirty-seven million, six hundred twenty-five thousand, fifteen".