2315511552 has 36 divisors (see below), whose sum is σ = 6162639560. Its totient is φ = 771836928.

The previous prime is 2315511547. The next prime is 2315511553. The reversal of 2315511552 is 2551155132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315511553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506727 + ... + 1508262.

Almost surely, 2^2315511552 is an apocalyptic number.

It is an amenable number.

2315511552 is an abundant number, since it is smaller than the sum of its proper divisors (3847128008).

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

2315511552 is an equidigital number, since it uses as much as digits as its factorization.

2315511552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015008 (or 3014994 counting only the distinct ones).

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

The square root of 2315511552 is about 48119.7625929306. The cubic root of 2315511552 is about 1322.9669168208.

Adding to 2315511552 its reverse (2551155132), we get a palindrome (4866666684).

The spelling of 2315511552 in words is "two billion, three hundred fifteen million, five hundred eleven thousand, five hundred fifty-two".