12553675731 has 24 divisors (see below), whose sum is σ = 18837939120. Its totient is φ = 8354316672.

The previous prime is 12553675703. The next prime is 12553675837. The reversal of 12553675731 is 13757635521.

12553675731 is a `hidden beast` number, since 1 + 2 + 553 + 67 + 5 + 7 + 31 = 666.

It is not a de Polignac number, because 12553675731 - 2⁵ = 12553675699 is a prime.

It is a super-2 number, since 2×12553675731² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12553675031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92871 + ... + 183663.

It is an arithmetic number, because the mean of its divisors is an integer number (784914130).

Almost surely, 2^12553675731 is an apocalyptic number.

12553675731 is a deficient number, since it is larger than the sum of its proper divisors (6284263389).

12553675731 is an frugal number, since it uses more digits than its factorization.

12553675731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91377 (or 91365 counting only the distinct ones).

The product of its digits is 661500, while the sum is 45.

The spelling of 12553675731 in words is "twelve billion, five hundred fifty-three million, six hundred seventy-five thousand, seven hundred thirty-one".