10611111677621 has 64 divisors (see below), whose sum is σ = 13240888819200. Its totient is φ = 8279872634880.

The previous prime is 10611111677597. The next prime is 10611111677669. The reversal of 10611111677621 is 12677611111601.

It is a de Polignac number, because none of the positive numbers 2^k-10611111677621 is a prime.

It is a super-2 number, since 2×10611111677621² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10611411677621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4680683330 + ... + 4680685596.

It is an arithmetic number, because the mean of its divisors is an integer number (206888887800).

Almost surely, 2^{10611111677621} is an apocalyptic number.

It is an amenable number.

10611111677621 is a deficient number, since it is larger than the sum of its proper divisors (2629777141579).

10611111677621 is a wasteful number, since it uses less digits than its factorization.

10611111677621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014.

The product of its (nonzero) digits is 21168, while the sum is 41.

The spelling of 10611111677621 in words is "ten trillion, six hundred eleven billion, one hundred eleven million, six hundred seventy-seven thousand, six hundred twenty-one".