5001661500601 has 8 divisors (see below), whose sum is σ = 5095469979360. Its totient is φ = 4908154173792.

The previous prime is 5001661500593. The next prime is 5001661500629. The reversal of 5001661500601 is 1060051661005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5001661500601 - 2³ = 5001661500593 is a prime.

It is a super-2 number, since 2×5001661500601² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5001661500301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75254460 + ... + 75320893.

It is an arithmetic number, because the mean of its divisors is an integer number (636933747420).

Almost surely, 2^{5001661500601} is an apocalyptic number.

It is an amenable number.

5001661500601 is a deficient number, since it is larger than the sum of its proper divisors (93808478759).

5001661500601 is a wasteful number, since it uses less digits than its factorization.

5001661500601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150575975.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 5001661500601 in words is "five trillion, one billion, six hundred sixty-one million, five hundred thousand, six hundred one".