5156720747511 has 32 divisors (see below), whose sum is σ = 7032535769088. Its totient is φ = 3359583901440.

The previous prime is 5156720747491. The next prime is 5156720747543. The reversal of 5156720747511 is 1157470276515.

It is not a de Polignac number, because 5156720747511 - 2²² = 5156716553207 is a prime.

It is a super-2 number, since 2×5156720747511² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156720747551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 462024771 + ... + 462035931.

It is an arithmetic number, because the mean of its divisors is an integer number (219766742784).

Almost surely, 2^{5156720747511} is an apocalyptic number.

5156720747511 is a deficient number, since it is larger than the sum of its proper divisors (1875815021577).

5156720747511 is a wasteful number, since it uses less digits than its factorization.

5156720747511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871.

The product of its (nonzero) digits is 2058000, while the sum is 51.

The spelling of 5156720747511 in words is "five trillion, one hundred fifty-six billion, seven hundred twenty million, seven hundred forty-seven thousand, five hundred eleven".