561862528011 has 12 divisors (see below), whose sum is σ = 815657497200. Its totient is φ = 372692730960.

The previous prime is 561862528001. The next prime is 561862528033. The reversal of 561862528011 is 110825268165.

561862528011 is a `hidden beast` number, since 5 + 6 + 1 + 8 + 625 + 2 + 8 + 0 + 11 = 666.

It is not a de Polignac number, because 561862528011 - 2⁵ = 561862527979 is a prime.

It is a super-2 number, since 2×561862528011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (561862528001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156855420 + ... + 156859001.

It is an arithmetic number, because the mean of its divisors is an integer number (67971458100).

Almost surely, 2^561862528011 is an apocalyptic number.

561862528011 is a deficient number, since it is larger than the sum of its proper divisors (253794969189).

561862528011 is a wasteful number, since it uses less digits than its factorization.

561862528011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313714626 (or 313714623 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 561862528011 in words is "five hundred sixty-one billion, eight hundred sixty-two million, five hundred twenty-eight thousand, eleven".