27720152572511 has 24 divisors (see below), whose sum is σ = 33286983295104. Its totient is φ = 22993052221440.

The previous prime is 27720152572433. The next prime is 27720152572559. The reversal of 27720152572511 is 11527525102772.

It is not a de Polignac number, because 27720152572511 - 2³⁴ = 27702972703327 is a prime.

It is a super-2 number, since 2×27720152572511² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27720152572561) 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, 60826151 + ... + 61280183.

It is an arithmetic number, because the mean of its divisors is an integer number (1386957637296).

Almost surely, 2^{27720152572511} is an apocalyptic number.

27720152572511 is a deficient number, since it is larger than the sum of its proper divisors (5566830722593).

27720152572511 is a wasteful number, since it uses less digits than its factorization.

27720152572511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494271 (or 494264 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 47.

The spelling of 27720152572511 in words is "twenty-seven trillion, seven hundred twenty billion, one hundred fifty-two million, five hundred seventy-two thousand, five hundred eleven".