45551021122 has 4 divisors (see below), whose sum is σ = 68326531686. Its totient is φ = 22775510560.

The previous prime is 45551021107. The next prime is 45551021177. The reversal of 45551021122 is 22112015554.

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

It can be written as a sum of positive squares in only one way, i.e., 45526330161 + 24690961 = 213369^2 + 4969^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11387755279 + ... + 11387755282.

Almost surely, 2^45551021122 is an apocalyptic number.

45551021122 is a deficient number, since it is larger than the sum of its proper divisors (22775510564).

45551021122 is a wasteful number, since it uses less digits than its factorization.

45551021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22775510563.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 45551021122 its reverse (22112015554), we get a palindrome (67663036676).

The spelling of 45551021122 in words is "forty-five billion, five hundred fifty-one million, twenty-one thousand, one hundred twenty-two".