113256463551 has 72 divisors (see below), whose sum is σ = 193249636272. Its totient is φ = 58784140800.

The previous prime is 113256463549. The next prime is 113256463597. The reversal of 113256463551 is 155364652311.

It is a happy number.

It is not a de Polignac number, because 113256463551 - 2¹ = 113256463549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113256463511) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30111511 + ... + 30115271.

It is an arithmetic number, because the mean of its divisors is an integer number (2684022726).

Almost surely, 2^113256463551 is an apocalyptic number.

113256463551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113256463551 is a deficient number, since it is larger than the sum of its proper divisors (79993172721).

113256463551 is a wasteful number, since it uses less digits than its factorization.

113256463551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493 (or 5475 counting only the distinct ones).

The product of its digits is 324000, while the sum is 42.

The spelling of 113256463551 in words is "one hundred thirteen billion, two hundred fifty-six million, four hundred sixty-three thousand, five hundred fifty-one".