551115610501 has 8 divisors (see below), whose sum is σ = 570139706880. Its totient is φ = 532092854832.

The previous prime is 551115610499. The next prime is 551115610511. The reversal of 551115610501 is 105016511155.

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 551115610501 - 2¹ = 551115610499 is a prime.

It is a super-2 number, since 2×551115610501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551115610511) 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, 539896 + ... + 1180558.

It is an arithmetic number, because the mean of its divisors is an integer number (71267463360).

Almost surely, 2^551115610501 is an apocalyptic number.

It is an amenable number.

551115610501 is a deficient number, since it is larger than the sum of its proper divisors (19024096379).

551115610501 is a wasteful number, since it uses less digits than its factorization.

551115610501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670355.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 551115610501 in words is "five hundred fifty-one billion, one hundred fifteen million, six hundred ten thousand, five hundred one".