45557723111 has 4 divisors (see below), whose sum is σ = 45558968712. Its totient is φ = 45556477512.

The previous prime is 45557723063. The next prime is 45557723143. The reversal of 45557723111 is 11132775554.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45557723111 is a prime.

It is a super-2 number, since 2×45557723111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45557723161) 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, 566225 + ... + 641658.

It is an arithmetic number, because the mean of its divisors is an integer number (11389742178).

Almost surely, 2^45557723111 is an apocalyptic number.

45557723111 is a deficient number, since it is larger than the sum of its proper divisors (1245601).

45557723111 is a wasteful number, since it uses less digits than its factorization.

45557723111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245600.

The product of its digits is 147000, while the sum is 41.

The spelling of 45557723111 in words is "forty-five billion, five hundred fifty-seven million, seven hundred twenty-three thousand, one hundred eleven".