2555145351121 has 16 divisors (see below), whose sum is σ = 2978474906880. Its totient is φ = 2166163534080.

The previous prime is 2555145351097. The next prime is 2555145351133. The reversal of 2555145351121 is 1211535415552.

It is a cyclic number.

It is not a de Polignac number, because 2555145351121 - 2⁹ = 2555145350609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2555145351181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62657961 + ... + 62698726.

It is an arithmetic number, because the mean of its divisors is an integer number (186154681680).

Almost surely, 2^{2555145351121} is an apocalyptic number.

It is an amenable number.

2555145351121 is a deficient number, since it is larger than the sum of its proper divisors (423329555759).

2555145351121 is a wasteful number, since it uses less digits than its factorization.

2555145351121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125356824.

The product of its digits is 150000, while the sum is 40.

The spelling of 2555145351121 in words is "two trillion, five hundred fifty-five billion, one hundred forty-five million, three hundred fifty-one thousand, one hundred twenty-one".