2801118956 has 18 divisors (see below), whose sum is σ = 5065193700. Its totient is φ = 1355378280.

The previous prime is 2801118949. The next prime is 2801118973. The reversal of 2801118956 is 6598111082.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 360506 + ... + 368193.

It is an arithmetic number, because the mean of its divisors is an integer number (281399650).

Almost surely, 2^2801118956 is an apocalyptic number.

It is an amenable number.

2801118956 is a deficient number, since it is larger than the sum of its proper divisors (2264074744).

2801118956 is a wasteful number, since it uses less digits than its factorization.

2801118956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728765 (or 728732 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 41.

The square root of 2801118956 is about 52925.5983055459. The cubic root of 2801118956 is about 1409.6474741986.

The spelling of 2801118956 in words is "two billion, eight hundred one million, one hundred eighteen thousand, nine hundred fifty-six".