10611611625561 has 8 divisors (see below), whose sum is σ = 14155002136704. Its totient is φ = 7071314432400.

The previous prime is 10611611625541. The next prime is 10611611625599. The reversal of 10611611625561 is 16552611611601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10611611625561 - 2²⁶ = 10611544516697 is a prime.

It is a super-2 number, since 2×10611611625561² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10611611625521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773321490 + ... + 773335211.

It is an arithmetic number, because the mean of its divisors is an integer number (1769375267088).

Almost surely, 2^{10611611625561} is an apocalyptic number.

It is an amenable number.

10611611625561 is a deficient number, since it is larger than the sum of its proper divisors (3543390511143).

10611611625561 is a wasteful number, since it uses less digits than its factorization.

10611611625561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546658991.

The product of its (nonzero) digits is 64800, while the sum is 42.

The spelling of 10611611625561 in words is "ten trillion, six hundred eleven billion, six hundred eleven million, six hundred twenty-five thousand, five hundred sixty-one".