15650561050061 has 16 divisors (see below), whose sum is σ = 18331464533760. Its totient is φ = 13081251131520.

The previous prime is 15650561049983. The next prime is 15650561050067. The reversal of 15650561050061 is 16005016505651.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15650561050061 is a prime.

It is a super-2 number, since 2×15650561050061² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15650561050067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12584441 + ... + 13772046.

It is an arithmetic number, because the mean of its divisors is an integer number (1145716533360).

Almost surely, 2^{15650561050061} is an apocalyptic number.

It is an amenable number.

15650561050061 is a deficient number, since it is larger than the sum of its proper divisors (2680903483699).

15650561050061 is a wasteful number, since it uses less digits than its factorization.

15650561050061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26358604.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 15650561050061 in words is "fifteen trillion, six hundred fifty billion, five hundred sixty-one million, fifty thousand, sixty-one".