60115516511 has 4 divisors (see below), whose sum is σ = 60116880072. Its totient is φ = 60114152952.

The previous prime is 60115516451. The next prime is 60115516529. The reversal of 60115516511 is 11561551106.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60115516511 is a prime.

It is a super-2 number, since 2×60115516511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60115516711) 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, 613361 + ... + 704586.

It is an arithmetic number, because the mean of its divisors is an integer number (15029220018).

Almost surely, 2^60115516511 is an apocalyptic number.

60115516511 is a deficient number, since it is larger than the sum of its proper divisors (1363561).

60115516511 is a wasteful number, since it uses less digits than its factorization.

60115516511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363560.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 60115516511 in words is "sixty billion, one hundred fifteen million, five hundred sixteen thousand, five hundred eleven".