113555002100401 has 2 divisors, whose sum is σ = 113555002100402. Its totient is φ = 113555002100400.

The previous prime is 113555002100369. The next prime is 113555002100447. The reversal of 113555002100401 is 104001200555311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90115606069776 + 23439396030625 = 9492924^2 + 4841425^2 .

It is a cyclic number.

It is not a de Polignac number, because 113555002100401 - 2⁵ = 113555002100369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113555002100401.

It is not a weakly prime, because it can be changed into another prime (113555002100101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56777501050200 + 56777501050201.

It is an arithmetic number, because the mean of its divisors is an integer number (56777501050201).

Almost surely, 2^{113555002100401} is an apocalyptic number.

It is an amenable number.

113555002100401 is a deficient number, since it is larger than the sum of its proper divisors (1).

113555002100401 is an equidigital number, since it uses as much as digits as its factorization.

113555002100401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 113555002100401 its reverse (104001200555311), we get a palindrome (217556202655712).

The spelling of 113555002100401 in words is "one hundred thirteen trillion, five hundred fifty-five billion, two million, one hundred thousand, four hundred one".