45531321100120 has 16 divisors (see below), whose sum is σ = 102445472475360. Its totient is φ = 18212528440032.

The previous prime is 45531321100103. The next prime is 45531321100163. The reversal of 45531321100120 is 2100112313554.

It is a super-2 number, since 2×45531321100120² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569141513712 + ... + 569141513791.

It is an arithmetic number, because the mean of its divisors is an integer number (6402842029710).

Almost surely, 2^{45531321100120} is an apocalyptic number.

45531321100120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45531321100120 is an abundant number, since it is smaller than the sum of its proper divisors (56914151375240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45531321100120 is a wasteful number, since it uses less digits than its factorization.

45531321100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138283027514 (or 1138283027510 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 45531321100120 its reverse (2100112313554), we get a palindrome (47631433413674).

The spelling of 45531321100120 in words is "forty-five trillion, five hundred thirty-one billion, three hundred twenty-one million, one hundred thousand, one hundred twenty".