5661001155504 has 80 divisors (see below), whose sum is σ = 14718777937920. Its totient is φ = 1874814305280.

The previous prime is 5661001155479. The next prime is 5661001155533. The reversal of 5661001155504 is 4055511001665.

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, 16900209 + ... + 17231919.

It is an arithmetic number, because the mean of its divisors is an integer number (183984724224).

Almost surely, 2^{5661001155504} is an apocalyptic number.

It is an amenable number.

5661001155504 is an abundant number, since it is smaller than the sum of its proper divisors (9057776782416).

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

5661001155504 is a wasteful number, since it uses less digits than its factorization.

5661001155504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334018 (or 334012 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 5661001155504 in words is "five trillion, six hundred sixty-one billion, one million, one hundred fifty-five thousand, five hundred four".