2311800915048 has 64 divisors (see below), whose sum is σ = 5793173568000. Its totient is φ = 768778367232.

The previous prime is 2311800915043. The next prime is 2311800915131. The reversal of 2311800915048 is 8405190081132.

It is a super-2 number, since 2×2311800915048² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2311800915043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44544058 + ... + 44595926.

It is an arithmetic number, because the mean of its divisors is an integer number (90518337000).

Almost surely, 2^{2311800915048} is an apocalyptic number.

It is an amenable number.

2311800915048 is an abundant number, since it is smaller than the sum of its proper divisors (3481372652952).

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

2311800915048 is a wasteful number, since it uses less digits than its factorization.

2311800915048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56234 (or 56230 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 2311800915048 in words is "two trillion, three hundred eleven billion, eight hundred million, nine hundred fifteen thousand, forty-eight".