5111661150601 has 4 divisors (see below), whose sum is σ = 5133048854400. Its totient is φ = 5090273446804.

The previous prime is 5111661150593. The next prime is 5111661150653. The reversal of 5111661150601 is 1060511661115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5111661150601 - 2³ = 5111661150593 is a prime.

It is a super-2 number, since 2×5111661150601² (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 (5111661153601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10693851541 + ... + 10693852018.

It is an arithmetic number, because the mean of its divisors is an integer number (1283262213600).

Almost surely, 2^{5111661150601} is an apocalyptic number.

It is an amenable number.

5111661150601 is a deficient number, since it is larger than the sum of its proper divisors (21387703799).

5111661150601 is a wasteful number, since it uses less digits than its factorization.

5111661150601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21387703798.

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 5111661150601 in words is "five trillion, one hundred eleven billion, six hundred sixty-one million, one hundred fifty thousand, six hundred one".