2311641276980 has 48 divisors (see below), whose sum is σ = 5569526462976. Its totient is φ = 789478809600.

The previous prime is 2311641276949. The next prime is 2311641276991. The reversal of 2311641276980 is 896721461132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32087996 + ... + 32159955.

It is an arithmetic number, because the mean of its divisors is an integer number (116031801312).

Almost surely, 2^{2311641276980} is an apocalyptic number.

2311641276980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311641276980 is an abundant number, since it is smaller than the sum of its proper divisors (3257885185996).

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

2311641276980 is a wasteful number, since it uses less digits than its factorization.

2311641276980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64248224 (or 64248222 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 2311641276980 in words is "two trillion, three hundred eleven billion, six hundred forty-one million, two hundred seventy-six thousand, nine hundred eighty".