113400442451555 has 64 divisors (see below), whose sum is σ = 159860449981440. Its totient is φ = 75594005568000.

The previous prime is 113400442451419. The next prime is 113400442451557. The reversal of 113400442451555 is 555154244004311.

It is not a de Polignac number, because 113400442451555 - 2¹⁰ = 113400442450531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113400442451557) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10366613276 + ... + 10366624214.

It is an arithmetic number, because the mean of its divisors is an integer number (2497819530960).

Almost surely, 2^{113400442451555} is an apocalyptic number.

113400442451555 is a deficient number, since it is larger than the sum of its proper divisors (46460007529885).

113400442451555 is a wasteful number, since it uses less digits than its factorization.

113400442451555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17100.

The product of its (nonzero) digits is 960000, while the sum is 44.

Adding to 113400442451555 its reverse (555154244004311), we get a palindrome (668554686455866).

The spelling of 113400442451555 in words is "one hundred thirteen trillion, four hundred billion, four hundred forty-two million, four hundred fifty-one thousand, five hundred fifty-five".