10591650861 has 16 divisors (see below), whose sum is σ = 15407897088. Its totient is φ = 6418407600.

The previous prime is 10591650841. The next prime is 10591650863. The reversal of 10591650861 is 16805619501.

It is not a de Polignac number, because 10591650861 - 2⁵ = 10591650829 is a prime.

It is a super-2 number, since 2×10591650861² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10591650863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382866 + ... + 409596.

It is an arithmetic number, because the mean of its divisors is an integer number (962993568).

Almost surely, 2^10591650861 is an apocalyptic number.

10591650861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10591650861 is a deficient number, since it is larger than the sum of its proper divisors (4816246227).

10591650861 is a wasteful number, since it uses less digits than its factorization.

10591650861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38752.

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

The spelling of 10591650861 in words is "ten billion, five hundred ninety-one million, six hundred fifty thousand, eight hundred sixty-one".