2155300551 has 6 divisors (see below), whose sum is σ = 3113211920. Its totient is φ = 1436867028.

The previous prime is 2155300531. The next prime is 2155300559. The reversal of 2155300551 is 1550035512.

It is not a de Polignac number, because 2155300551 - 2⁵ = 2155300519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155300559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119738911 + ... + 119738928.

Almost surely, 2^2155300551 is an apocalyptic number.

2155300551 is a deficient number, since it is larger than the sum of its proper divisors (957911369).

2155300551 is a wasteful number, since it uses less digits than its factorization.

2155300551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239477845 (or 239477842 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 2155300551 is about 46425.2146037043. The cubic root of 2155300551 is about 1291.7226651787.

The spelling of 2155300551 in words is "two billion, one hundred fifty-five million, three hundred thousand, five hundred fifty-one".