25372536906 has 16 divisors (see below), whose sum is σ = 50760886464. Its totient is φ = 8454876864.

The previous prime is 25372536881. The next prime is 25372536911. The reversal of 25372536906 is 60963527352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637950 + ... + 676553.

It is an arithmetic number, because the mean of its divisors is an integer number (3172555404).

Almost surely, 2^25372536906 is an apocalyptic number.

25372536906 is an abundant number, since it is smaller than the sum of its proper divisors (25388349558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25372536906 is a wasteful number, since it uses less digits than its factorization.

25372536906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317725.

The product of its (nonzero) digits is 2041200, while the sum is 48.

The spelling of 25372536906 in words is "twenty-five billion, three hundred seventy-two million, five hundred thirty-six thousand, nine hundred six".