45555315121 has 8 divisors (see below), whose sum is σ = 46864670400. Its totient is φ = 44250072048.

The previous prime is 45555315109. The next prime is 45555315137. The reversal of 45555315121 is 12151355554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45555315121 is a prime.

It is a super-2 number, since 2×45555315121² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45555310121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005571 + ... + 1049896.

It is an arithmetic number, because the mean of its divisors is an integer number (5858083800).

Almost surely, 2^45555315121 is an apocalyptic number.

It is an amenable number.

45555315121 is a deficient number, since it is larger than the sum of its proper divisors (1309355279).

45555315121 is a wasteful number, since it uses less digits than its factorization.

45555315121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056103.

The product of its digits is 75000, while the sum is 37.

The spelling of 45555315121 in words is "forty-five billion, five hundred fifty-five million, three hundred fifteen thousand, one hundred twenty-one".