601161055101 has 48 divisors (see below), whose sum is σ = 917898246720. Its totient is φ = 393039578880.

The previous prime is 601161055097. The next prime is 601161055123. The reversal of 601161055101 is 101550161106.

601161055101 is a `hidden beast` number, since 601 + 1 + 6 + 1 + 0 + 5 + 51 + 0 + 1 = 666.

It is not a de Polignac number, because 601161055101 - 2² = 601161055097 is a prime.

It is a super-2 number, since 2×601161055101² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601161055141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33592366 + ... + 33610256.

It is an arithmetic number, because the mean of its divisors is an integer number (19122880140).

Almost surely, 2^601161055101 is an apocalyptic number.

It is an amenable number.

601161055101 is a deficient number, since it is larger than the sum of its proper divisors (316737191619).

601161055101 is a wasteful number, since it uses less digits than its factorization.

601161055101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20568 (or 20556 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The spelling of 601161055101 in words is "six hundred one billion, one hundred sixty-one million, fifty-five thousand, one hundred one".