113554244551 has 24 divisors (see below), whose sum is σ = 126856642752. Its totient is φ = 101556312000.

The previous prime is 113554244539. The next prime is 113554244593. The reversal of 113554244551 is 155442455311.

It is not a de Polignac number, because 113554244551 - 2⁵ = 113554244519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113554244521) 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, 1889106 + ... + 1948288.

It is an arithmetic number, because the mean of its divisors is an integer number (5285693448).

Almost surely, 2^113554244551 is an apocalyptic number.

113554244551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113554244551 is a deficient number, since it is larger than the sum of its proper divisors (13302398201).

113554244551 is a wasteful number, since it uses less digits than its factorization.

113554244551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59463 (or 59452 counting only the distinct ones).

The product of its digits is 240000, while the sum is 40.

Adding to 113554244551 its reverse (155442455311), we get a palindrome (268996699862).

The spelling of 113554244551 in words is "one hundred thirteen billion, five hundred fifty-four million, two hundred forty-four thousand, five hundred fifty-one".