2005691920552 has 32 divisors (see below), whose sum is σ = 3832054288200. Its totient is φ = 983814983424.

The previous prime is 2005691920541. The next prime is 2005691920619. The reversal of 2005691920552 is 2550291965002.

It can be written as a sum of positive squares in 4 ways, for example, as 1953436703716 + 52255216836 = 1397654^2 + 228594^2 .

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, 3624274 + ... + 4140862.

Almost surely, 2^{2005691920552} is an apocalyptic number.

It is an amenable number.

2005691920552 is a deficient number, since it is larger than the sum of its proper divisors (1826362367648).

2005691920552 is a wasteful number, since it uses less digits than its factorization.

2005691920552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525805 (or 525801 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 2005691920552 in words is "two trillion, five billion, six hundred ninety-one million, nine hundred twenty thousand, five hundred fifty-two".