451511252130366 has 48 divisors (see below), whose sum is σ = 982244390068656. Its totient is φ = 149893535899008.

The previous prime is 451511252130359. The next prime is 451511252130401. The reversal of 451511252130366 is 663031252115154.

It is a happy number.

451511252130366 is a `hidden beast` number, since 4 + 5 + 1 + 5 + 1 + 1 + 252 + 1 + 30 + 366 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13421905 + ... + 32911548.

It is an arithmetic number, because the mean of its divisors is an integer number (20463424793097).

Almost surely, 2^{451511252130366} is an apocalyptic number.

451511252130366 is an abundant number, since it is smaller than the sum of its proper divisors (530733137938290).

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

451511252130366 is a wasteful number, since it uses less digits than its factorization.

451511252130366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46335657 (or 46335654 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 451511252130366 in words is "four hundred fifty-one trillion, five hundred eleven billion, two hundred fifty-two million, one hundred thirty thousand, three hundred sixty-six".