2050001611556 has 24 divisors (see below), whose sum is σ = 3646393975224. Its totient is φ = 1008175495680.

The previous prime is 2050001611549. The next prime is 2050001611577. The reversal of 2050001611556 is 6551161000502.

It can be written as a sum of positive squares in 4 ways, for example, as 251586509056 + 1798415102500 = 501584^2 + 1341050^2 .

It is a super-2 number, since 2×2050001611556² (a number of 25 digits) contains 22 as substring.

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, 21388316 + ... + 21483948.

It is an arithmetic number, because the mean of its divisors is an integer number (151933082301).

Almost surely, 2^{2050001611556} is an apocalyptic number.

It is an amenable number.

2050001611556 is a deficient number, since it is larger than the sum of its proper divisors (1596392363668).

2050001611556 is a wasteful number, since it uses less digits than its factorization.

2050001611556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183551 (or 183549 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 2050001611556 in words is "two trillion, fifty billion, one million, six hundred eleven thousand, five hundred fifty-six".