405251053051 has 8 divisors (see below), whose sum is σ = 437014781840. Its totient is φ = 373571691552.

The previous prime is 405251053043. The next prime is 405251053061. The reversal of 405251053051 is 150350152504.

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

It is a cyclic number.

It is not a de Polignac number, because 405251053051 - 2³ = 405251053043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (405251053061) 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, 21081840 + ... + 21101053.

It is an arithmetic number, because the mean of its divisors is an integer number (54626847730).

Almost surely, 2^405251053051 is an apocalyptic number.

405251053051 is a deficient number, since it is larger than the sum of its proper divisors (31763728789).

405251053051 is a wasteful number, since it uses less digits than its factorization.

405251053051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42183645.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 405251053051 in words is "four hundred five billion, two hundred fifty-one million, fifty-three thousand, fifty-one".