2551150121 has 16 divisors (see below), whose sum is σ = 2901944640. Its totient is φ = 2223288000.

The previous prime is 2551150109. The next prime is 2551150127. The reversal of 2551150121 is 1210511552.

It is a cyclic number.

It is not a de Polignac number, because 2551150121 - 2⁶ = 2551150057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551150127) 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, 54746 + ... + 89996.

It is an arithmetic number, because the mean of its divisors is an integer number (181371540).

Almost surely, 2^2551150121 is an apocalyptic number.

It is an amenable number.

2551150121 is a deficient number, since it is larger than the sum of its proper divisors (350794519).

2551150121 is a wasteful number, since it uses less digits than its factorization.

2551150121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35576.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 2551150121 is about 50508.9113028582. The cubic root of 2551150121 is about 1366.4025748350.

Adding to 2551150121 its reverse (1210511552), we get a palindrome (3761661673).

The spelling of 2551150121 in words is "two billion, five hundred fifty-one million, one hundred fifty thousand, one hundred twenty-one".