451620111445612 has 48 divisors (see below), whose sum is σ = 835338809733120. Its totient is φ = 213293934728000.

The previous prime is 451620111445603. The next prime is 451620111445747. The reversal of 451620111445612 is 216544111026154.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4799464 + ... + 30434767.

It is an arithmetic number, because the mean of its divisors is an integer number (17402891869440).

Almost surely, 2^{451620111445612} is an apocalyptic number.

It is an amenable number.

451620111445612 is a deficient number, since it is larger than the sum of its proper divisors (383718698287508).

451620111445612 is a wasteful number, since it uses less digits than its factorization.

451620111445612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35236662 (or 35236660 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 451620111445612 in words is "four hundred fifty-one trillion, six hundred twenty billion, one hundred eleven million, four hundred forty-five thousand, six hundred twelve".