60111530661 has 32 divisors (see below), whose sum is σ = 98737838080. Its totient is φ = 31677200064.

The previous prime is 60111530621. The next prime is 60111530663. The reversal of 60111530661 is 16603511106.

It is not a de Polignac number, because 60111530661 - 2²² = 60107336357 is a prime.

It is a super-2 number, since 2×60111530661² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60111530663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186630 + ... + 393768.

It is an arithmetic number, because the mean of its divisors is an integer number (3085557440).

Almost surely, 2^60111530661 is an apocalyptic number.

It is an amenable number.

60111530661 is a deficient number, since it is larger than the sum of its proper divisors (38626307419).

60111530661 is a wasteful number, since it uses less digits than its factorization.

60111530661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208225.

The product of its (nonzero) digits is 3240, while the sum is 30.

The spelling of 60111530661 in words is "sixty billion, one hundred eleven million, five hundred thirty thousand, six hundred sixty-one".