501401261146645 has 16 divisors (see below), whose sum is σ = 604252357632000. Its totient is φ = 399407409128448.

The previous prime is 501401261146633. The next prime is 501401261146651. The reversal of 501401261146645 is 546641162104105.

It is a cyclic number.

It is not a de Polignac number, because 501401261146645 - 2⁵ = 501401261146613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501401261146595 and 501401261146604.

It is a congruent number.

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, 4979925 + ... + 32056234.

It is an arithmetic number, because the mean of its divisors is an integer number (37765772352000).

Almost surely, 2^{501401261146645} is an apocalyptic number.

It is an amenable number.

501401261146645 is a deficient number, since it is larger than the sum of its proper divisors (102851096485355).

501401261146645 is a wasteful number, since it uses less digits than its factorization.

501401261146645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37047732.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 501401261146645 in words is "five hundred one trillion, four hundred one billion, two hundred sixty-one million, one hundred forty-six thousand, six hundred forty-five".