25955011938 has 16 divisors (see below), whose sum is σ = 52057082016. Its totient is φ = 8627160960.

The previous prime is 25955011937. The next prime is 25955011949. The reversal of 25955011938 is 83911055952.

It is not an unprimeable number, because it can be changed into a prime (25955011937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6125128 + ... + 6129363.

It is an arithmetic number, because the mean of its divisors is an integer number (3253567626).

Almost surely, 2^25955011938 is an apocalyptic number.

25955011938 is an abundant number, since it is smaller than the sum of its proper divisors (26102070078).

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

25955011938 is a wasteful number, since it uses less digits than its factorization.

25955011938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12254849.

The product of its (nonzero) digits is 486000, while the sum is 48.

The spelling of 25955011938 in words is "twenty-five billion, nine hundred fifty-five million, eleven thousand, nine hundred thirty-eight".