120256054065511 has 8 divisors (see below), whose sum is σ = 148007451157664. Its totient is φ = 95147647172640.

The previous prime is 120256054065509. The next prime is 120256054065533. The reversal of 120256054065511 is 115560450652021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120256054065511 - 2¹ = 120256054065509 is a prime.

It is a super-2 number, since 2×120256054065511² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120256054065011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660747549720 + ... + 660747549901.

It is an arithmetic number, because the mean of its divisors is an integer number (18500931394708).

Almost surely, 2^{120256054065511} is an apocalyptic number.

120256054065511 is a deficient number, since it is larger than the sum of its proper divisors (27751397092153).

120256054065511 is a wasteful number, since it uses less digits than its factorization.

120256054065511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321495099641.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 120256054065511 in words is "one hundred twenty trillion, two hundred fifty-six billion, fifty-four million, sixty-five thousand, five hundred eleven".