25043024870085 has 64 divisors (see below), whose sum is σ = 42729395208192. Its totient is φ = 12480845976576.

The previous prime is 25043024870029. The next prime is 25043024870131. The reversal of 25043024870085 is 58007842034052.

It is not a de Polignac number, because 25043024870085 - 2⁸ = 25043024869829 is a prime.

It is a super-2 number, since 2×25043024870085² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36410142 + ... + 37091568.

It is an arithmetic number, because the mean of its divisors is an integer number (667646800128).

Almost surely, 2^{25043024870085} is an apocalyptic number.

It is an amenable number.

25043024870085 is a deficient number, since it is larger than the sum of its proper divisors (17686370338107).

25043024870085 is a wasteful number, since it uses less digits than its factorization.

25043024870085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682482.

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 25043024870085 in words is "twenty-five trillion, forty-three billion, twenty-four million, eight hundred seventy thousand, eighty-five".