360421056561 has 16 divisors (see below), whose sum is σ = 481293446400. Its totient is φ = 239914901520.

The previous prime is 360421056517. The next prime is 360421056623. The reversal of 360421056561 is 165650124063.

It is not a de Polignac number, because 360421056561 - 2⁷ = 360421056433 is a prime.

It is a super-2 number, since 2×360421056561² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (360421051561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7124446 + ... + 7174856.

It is an arithmetic number, because the mean of its divisors is an integer number (30080840400).

Almost surely, 2^360421056561 is an apocalyptic number.

It is an amenable number.

360421056561 is a deficient number, since it is larger than the sum of its proper divisors (120872389839).

360421056561 is a wasteful number, since it uses less digits than its factorization.

360421056561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53996.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 360421056561 in words is "three hundred sixty billion, four hundred twenty-one million, fifty-six thousand, five hundred sixty-one".