45512100113 has 4 divisors (see below), whose sum is σ = 45512803380. Its totient is φ = 45511396848.

The previous prime is 45512100077. The next prime is 45512100169. The reversal of 45512100113 is 31100121554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37427932369 + 8084167744 = 193463^2 + 89912^2 .

It is a cyclic number.

It is not a de Polignac number, because 45512100113 - 2²⁸ = 45243664657 is a prime.

It is a super-2 number, since 2×45512100113² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45512100013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243470 + ... + 387687.

It is an arithmetic number, because the mean of its divisors is an integer number (11378200845).

Almost surely, 2^45512100113 is an apocalyptic number.

It is an amenable number.

45512100113 is a deficient number, since it is larger than the sum of its proper divisors (703267).

45512100113 is an equidigital number, since it uses as much as digits as its factorization.

45512100113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703266.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 45512100113 its reverse (31100121554), we get a palindrome (76612221667).

The spelling of 45512100113 in words is "forty-five billion, five hundred twelve million, one hundred thousand, one hundred thirteen".