11491307925 has 24 divisors (see below), whose sum is σ = 19089031200. Its totient is φ = 6099643200.

The previous prime is 11491307857. The next prime is 11491307963. The reversal of 11491307925 is 52970319411.

It is not a de Polignac number, because 11491307925 - 2¹⁰ = 11491306901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347250 + ... + 378899.

It is an arithmetic number, because the mean of its divisors is an integer number (795376300).

Almost surely, 2^11491307925 is an apocalyptic number.

11491307925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11491307925 is a deficient number, since it is larger than the sum of its proper divisors (7597723275).

11491307925 is a wasteful number, since it uses less digits than its factorization.

11491307925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726373 (or 726368 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 11491307925 in words is "eleven billion, four hundred ninety-one million, three hundred seven thousand, nine hundred twenty-five".