2311143107952 has 80 divisors (see below), whose sum is σ = 6968553126912. Its totient is φ = 646277095680.

The previous prime is 2311143107939. The next prime is 2311143107953. The reversal of 2311143107952 is 2597013411132.

It is a self number, because there is not a number n which added to its sum of digits gives 2311143107952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311143107953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73158699 + ... + 73190282.

Almost surely, 2^{2311143107952} is an apocalyptic number.

It is an amenable number.

2311143107952 is an abundant number, since it is smaller than the sum of its proper divisors (4657410018960).

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

2311143107952 is a wasteful number, since it uses less digits than its factorization.

2311143107952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146349046 (or 146349040 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 2311143107952 in words is "two trillion, three hundred eleven billion, one hundred forty-three million, one hundred seven thousand, nine hundred fifty-two".