56100050015511 has 8 divisors (see below), whose sum is σ = 74801120626944. Its totient is φ = 37399506373880.

The previous prime is 56100050015507. The next prime is 56100050015543. The reversal of 56100050015511 is 11551005000165.

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 56100050015511 - 2² = 56100050015507 is a prime.

It is a super-2 number, since 2×56100050015511² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56100050015501) 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, 131493981 + ... + 131919926.

It is an arithmetic number, because the mean of its divisors is an integer number (9350140078368).

Almost surely, 2^{56100050015511} is an apocalyptic number.

56100050015511 is a deficient number, since it is larger than the sum of its proper divisors (18701070611433).

56100050015511 is a wasteful number, since it uses less digits than its factorization.

56100050015511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263484901.

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 56100050015511 its reverse (11551005000165), we get a palindrome (67651055015676).

The spelling of 56100050015511 in words is "fifty-six trillion, one hundred billion, fifty million, fifteen thousand, five hundred eleven".