10156012436661 has 32 divisors (see below), whose sum is σ = 16666985637120. Its totient is φ = 5356789714944.

The previous prime is 10156012436651. The next prime is 10156012436719. The reversal of 10156012436661 is 16663421065101.

10156012436661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10156012436661 - 2⁶ = 10156012436597 is a prime.

It is a super-2 number, since 2×10156012436661² (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 (10156012436651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5738175 + ... + 7296483.

It is an arithmetic number, because the mean of its divisors is an integer number (520843301160).

Almost surely, 2^{10156012436661} is an apocalyptic number.

It is an amenable number.

10156012436661 is a deficient number, since it is larger than the sum of its proper divisors (6510973200459).

10156012436661 is a wasteful number, since it uses less digits than its factorization.

10156012436661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582205.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 10156012436661 in words is "ten trillion, one hundred fifty-six billion, twelve million, four hundred thirty-six thousand, six hundred sixty-one".