225913691157 has 32 divisors (see below), whose sum is σ = 383209036800. Its totient is φ = 117357755760.

The previous prime is 225913691147. The next prime is 225913691161. The reversal of 225913691157 is 751196319522.

It is not a de Polignac number, because 225913691157 - 2¹¹ = 225913689109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225913691147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9968083 + ... + 9990720.

It is an arithmetic number, because the mean of its divisors is an integer number (11975282400).

Almost surely, 2^225913691157 is an apocalyptic number.

It is an amenable number.

225913691157 is a deficient number, since it is larger than the sum of its proper divisors (157295345643).

225913691157 is a wasteful number, since it uses less digits than its factorization.

225913691157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19958838 (or 19958824 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 51.

The spelling of 225913691157 in words is "two hundred twenty-five billion, nine hundred thirteen million, six hundred ninety-one thousand, one hundred fifty-seven".