2011976863604 has 24 divisors (see below), whose sum is σ = 3728598620040. Its totient is φ = 946679602176.

The previous prime is 2011976863577. The next prime is 2011976863639. The reversal of 2011976863604 is 4063686791102.

It can be written as a sum of positive squares in 4 ways, for example, as 729982272100 + 1281994591504 = 854390^2 + 1132252^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590407 + ... + 2559950.

It is an arithmetic number, because the mean of its divisors is an integer number (155358275835).

Almost surely, 2^{2011976863604} is an apocalyptic number.

It is an amenable number.

2011976863604 is a deficient number, since it is larger than the sum of its proper divisors (1716621756436).

2011976863604 is a wasteful number, since it uses less digits than its factorization.

2011976863604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157507 (or 4157505 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 2011976863604 in words is "two trillion, eleven billion, nine hundred seventy-six million, eight hundred sixty-three thousand, six hundred four".