2311551552 has 56 divisors (see below), whose sum is σ = 6437884000. Its totient is φ = 729962496.

The previous prime is 2311551551. The next prime is 2311551601. The reversal of 2311551552 is 2551551132.

It is not an unprimeable number, because it can be changed into a prime (2311551551) 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, 313177 + ... + 320472.

Almost surely, 2^2311551552 is an apocalyptic number.

It is an amenable number.

2311551552 is an abundant number, since it is smaller than the sum of its proper divisors (4126332448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311551552 is a wasteful number, since it uses less digits than its factorization.

2311551552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633683 (or 633673 counting only the distinct ones).

The product of its digits is 7500, while the sum is 30.

The square root of 2311551552 is about 48078.5976500979. The cubic root of 2311551552 is about 1322.2123048235.

The spelling of 2311551552 in words is "two billion, three hundred eleven million, five hundred fifty-one thousand, five hundred fifty-two".