26572500625 has 40 divisors (see below), whose sum is σ = 37473004800. Its totient is φ = 18658920000.

The previous prime is 26572500623. The next prime is 26572500631. The reversal of 26572500625 is 52600527562.

It is a happy number.

It is not a de Polignac number, because 26572500625 - 2¹ = 26572500623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26572500623) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 132736 + ... + 266014.

It is an arithmetic number, because the mean of its divisors is an integer number (936825120).

Almost surely, 2^26572500625 is an apocalyptic number.

26572500625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26572500625 is a deficient number, since it is larger than the sum of its proper divisors (10900504175).

26572500625 is a wasteful number, since it uses less digits than its factorization.

26572500625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133339 (or 133324 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 26572500625 in words is "twenty-six billion, five hundred seventy-two million, five hundred thousand, six hundred twenty-five".