11447995025 has 12 divisors (see below), whose sum is σ = 14303880624. Its totient is φ = 9088482000.

The previous prime is 11447995001. The next prime is 11447995043. The reversal of 11447995025 is 52059974411.

It is a de Polignac number, because none of the positive numbers 2^k-11447995025 is a prime.

It is a Duffinian 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, 1744511 + ... + 1751060.

It is an arithmetic number, because the mean of its divisors is an integer number (1191990052).

Almost surely, 2^11447995025 is an apocalyptic number.

It is an amenable number.

11447995025 is a deficient number, since it is larger than the sum of its proper divisors (2855885599).

11447995025 is a wasteful number, since it uses less digits than its factorization.

11447995025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495712 (or 3495707 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 11447995025 in words is "eleven billion, four hundred forty-seven million, nine hundred ninety-five thousand, twenty-five".