2011980363813 has 24 divisors (see below), whose sum is σ = 3368144198016. Its totient is φ = 1133510061600.

The previous prime is 2011980363803. The next prime is 2011980363907. The reversal of 2011980363813 is 3183630891102.

2011980363813 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 9 + 8 + 0 + 3 + 638 + 1 + 3 = 666.

It is not a de Polignac number, because 2011980363813 - 2⁸ = 2011980363557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011980363803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224898318 + ... + 224907263.

It is an arithmetic number, because the mean of its divisors is an integer number (140339341584).

Almost surely, 2^{2011980363813} is an apocalyptic number.

It is an amenable number.

2011980363813 is a deficient number, since it is larger than the sum of its proper divisors (1356163834203).

2011980363813 is a wasteful number, since it uses less digits than its factorization.

2011980363813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449805665 (or 449805662 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 2011980363813 in words is "two trillion, eleven billion, nine hundred eighty million, three hundred sixty-three thousand, eight hundred thirteen".