2551211504 has 40 divisors (see below), whose sum is σ = 5012960400. Its totient is φ = 1257609728.

The previous prime is 2551211503. The next prime is 2551211521. The reversal of 2551211504 is 4051121552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551211503) 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, 737972 + ... + 741420.

It is an arithmetic number, because the mean of its divisors is an integer number (125324010).

Almost surely, 2^2551211504 is an apocalyptic number.

It is an amenable number.

2551211504 is a deficient number, since it is larger than the sum of its proper divisors (2461748896).

2551211504 is a wasteful number, since it uses less digits than its factorization.

2551211504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097 (or 4091 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 2551211504 is about 50509.5189444524. The cubic root of 2551211504 is about 1366.4135337114.

The spelling of 2551211504 in words is "two billion, five hundred fifty-one million, two hundred eleven thousand, five hundred four".