5611217557 has 8 divisors (see below), whose sum is σ = 6481406592. Its totient is φ = 4801041600.

The previous prime is 5611217551. The next prime is 5611217561. The reversal of 5611217557 is 7557121165.

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 5611217557 - 2²³ = 5602828949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611217551) 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, 15003069 + ... + 15003442.

It is an arithmetic number, because the mean of its divisors is an integer number (810175824).

Almost surely, 2^5611217557 is an apocalyptic number.

It is an amenable number.

5611217557 is a deficient number, since it is larger than the sum of its proper divisors (870189035).

5611217557 is a wasteful number, since it uses less digits than its factorization.

5611217557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30006539.

The product of its digits is 73500, while the sum is 40.

The square root of 5611217557 is about 74908.0606944273. The cubic root of 5611217557 is about 1776.9929404681.

The spelling of 5611217557 in words is "five billion, six hundred eleven million, two hundred seventeen thousand, five hundred fifty-seven".