11910972925 has 12 divisors (see below), whose sum is σ = 14915843316. Its totient is φ = 9434432000.

The previous prime is 11910972893. The next prime is 11910972937. The reversal of 11910972925 is 52927901911.

It can be written as a sum of positive squares in 6 ways, for example, as 143496441 + 11767476484 = 11979^2 + 108478^2 .

It is not a de Polignac number, because 11910972925 - 2⁵ = 11910972893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2356084 + ... + 2361133.

It is an arithmetic number, because the mean of its divisors is an integer number (1242986943).

Almost surely, 2^11910972925 is an apocalyptic number.

It is an amenable number.

11910972925 is a deficient number, since it is larger than the sum of its proper divisors (3004870391).

11910972925 is a wasteful number, since it uses less digits than its factorization.

11910972925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717328 (or 4717323 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 46.

The spelling of 11910972925 in words is "eleven billion, nine hundred ten million, nine hundred seventy-two thousand, nine hundred twenty-five".