5611991874 has 32 divisors (see below), whose sum is σ = 11402686464. Its totient is φ = 1841104080.

The previous prime is 5611991857. The next prime is 5611991893. The reversal of 5611991874 is 4781991165.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72879 + ... + 128589.

It is an arithmetic number, because the mean of its divisors is an integer number (356333952).

Almost surely, 2^5611991874 is an apocalyptic number.

5611991874 is an abundant number, since it is smaller than the sum of its proper divisors (5790694590).

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

5611991874 is a wasteful number, since it uses less digits than its factorization.

5611991874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55982.

The product of its digits is 544320, while the sum is 51.

The square root of 5611991874 is about 74913.2289652502. The cubic root of 5611991874 is about 1777.0746751090.

The spelling of 5611991874 in words is "five billion, six hundred eleven million, nine hundred ninety-one thousand, eight hundred seventy-four".