2311550402552 has 16 divisors (see below), whose sum is σ = 4344213060000. Its totient is φ = 1153093586560.

The previous prime is 2311550402531. The next prime is 2311550402587. The reversal of 2311550402552 is 2552040551132.

It is a happy number.

It is a super-2 number, since 2×2311550402552² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335198177 + ... + 335205072.

It is an arithmetic number, because the mean of its divisors is an integer number (271513316250).

Almost surely, 2^{2311550402552} is an apocalyptic number.

It is an amenable number.

2311550402552 is a deficient number, since it is larger than the sum of its proper divisors (2032662657448).

2311550402552 is a wasteful number, since it uses less digits than its factorization.

2311550402552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670403686 (or 670403682 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 2311550402552 its reverse (2552040551132), we get a palindrome (4863590953684).

The spelling of 2311550402552 in words is "two trillion, three hundred eleven billion, five hundred fifty million, four hundred two thousand, five hundred fifty-two".