511455114620121 has 32 divisors (see below), whose sum is σ = 813657588387840. Its totient is φ = 279411416247744.

The previous prime is 511455114620063. The next prime is 511455114620143. The reversal of 511455114620121 is 121026411554115.

It is not a de Polignac number, because 511455114620121 - 2⁹ = 511455114619609 is a prime.

It is a super-2 number, since 2×511455114620121² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511455114620121.

It is not an unprimeable number, because it can be changed into a prime (511455114620161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267398101 + ... + 269304018.

It is an arithmetic number, because the mean of its divisors is an integer number (25426799637120).

Almost surely, 2^{511455114620121} is an apocalyptic number.

It is an amenable number.

511455114620121 is a deficient number, since it is larger than the sum of its proper divisors (302202473767719).

511455114620121 is a wasteful number, since it uses less digits than its factorization.

511455114620121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536704125.

The product of its (nonzero) digits is 48000, while the sum is 39.

The spelling of 511455114620121 in words is "five hundred eleven trillion, four hundred fifty-five billion, one hundred fourteen million, six hundred twenty thousand, one hundred twenty-one".