45121992113 has 16 divisors (see below), whose sum is σ = 51115361472. Its totient is φ = 39471264000.

The previous prime is 45121992049. The next prime is 45121992119. The reversal of 45121992113 is 31129912154.

It is a cyclic number.

It is not a de Polignac number, because 45121992113 - 2⁶ = 45121992049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45121992119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652343 + ... + 718188.

It is an arithmetic number, because the mean of its divisors is an integer number (3194710092).

Almost surely, 2^45121992113 is an apocalyptic number.

It is an amenable number.

45121992113 is a deficient number, since it is larger than the sum of its proper divisors (5993369359).

45121992113 is a wasteful number, since it uses less digits than its factorization.

45121992113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370656.

The product of its digits is 19440, while the sum is 38.

The spelling of 45121992113 in words is "forty-five billion, one hundred twenty-one million, nine hundred ninety-two thousand, one hundred thirteen".