3111643552 has 48 divisors (see below), whose sum is σ = 6550741512. Its totient is φ = 1449779200.

The previous prime is 3111643541. The next prime is 3111643553. The reversal of 3111643552 is 2553461113.

It can be written as a sum of positive squares in 4 ways, for example, as 2968506256 + 143137296 = 54484^2 + 11964^2 .

It is not an unprimeable number, because it can be changed into a prime (3111643553) 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, 26628 + ... + 83260.

Almost surely, 2^3111643552 is an apocalyptic number.

3111643552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3111643552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3275370756).

3111643552 is an abundant number, since it is smaller than the sum of its proper divisors (3439097960).

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

3111643552 is a wasteful number, since it uses less digits than its factorization.

3111643552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56761 (or 56753 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 3111643552 is about 55782.1078124518. The cubic root of 3111643552 is about 1459.9229883692.

The spelling of 3111643552 in words is "three billion, one hundred eleven million, six hundred forty-three thousand, five hundred fifty-two".