60011661501 has 24 divisors (see below), whose sum is σ = 96870271680. Its totient is φ = 35483611200.

The previous prime is 60011661491. The next prime is 60011661509. The reversal of 60011661501 is 10516611006.

60011661501 is a `hidden beast` number, since 600 + 1 + 1 + 6 + 6 + 1 + 50 + 1 = 666.

It is not a de Polignac number, because 60011661501 - 2²² = 60007467197 is a prime.

It is a super-2 number, since 2×60011661501² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60011661509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7388361 + ... + 7396478.

It is an arithmetic number, because the mean of its divisors is an integer number (4036261320).

Almost surely, 2^60011661501 is an apocalyptic number.

It is an amenable number.

60011661501 is a deficient number, since it is larger than the sum of its proper divisors (36858610179).

60011661501 is a wasteful number, since it uses less digits than its factorization.

60011661501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14784897 (or 14784894 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 60011661501 in words is "sixty billion, eleven million, six hundred sixty-one thousand, five hundred one".