5021512165061 has 128 divisors (see below), whose sum is σ = 6437781504000. Its totient is φ = 3820017982464.

The previous prime is 5021512165051. The next prime is 5021512165063. The reversal of 5021512165061 is 1605612151205.

It is a cyclic number.

It is not a de Polignac number, because 5021512165061 - 2²² = 5021507970757 is a prime.

It is a super-2 number, since 2×5021512165061² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021512165063) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3807059360 + ... + 3807060678.

It is an arithmetic number, because the mean of its divisors is an integer number (50295168000).

Almost surely, 2^{5021512165061} is an apocalyptic number.

It is an amenable number.

5021512165061 is a deficient number, since it is larger than the sum of its proper divisors (1416269338939).

5021512165061 is a wasteful number, since it uses less digits than its factorization.

5021512165061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 5021512165061 in words is "five trillion, twenty-one billion, five hundred twelve million, one hundred sixty-five thousand, sixty-one".