10005500061 has 24 divisors (see below), whose sum is σ = 14624850240. Its totient is φ = 6590840256.

The previous prime is 10005500033. The next prime is 10005500123. The reversal of 10005500061 is 16000550001.

10005500061 is a `hidden beast` number, since 100 + 0 + 5 + 500 + 0 + 61 = 666.

It is not a de Polignac number, because 10005500061 - 2³⁰ = 8931758237 is a prime.

It is a super-2 number, since 2×10005500061² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10005508061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1476066 + ... + 1482828.

It is an arithmetic number, because the mean of its divisors is an integer number (609368760).

Almost surely, 2^10005500061 is an apocalyptic number.

It is an amenable number.

10005500061 is a deficient number, since it is larger than the sum of its proper divisors (4619350179).

10005500061 is a wasteful number, since it uses less digits than its factorization.

10005500061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8705 (or 8702 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The spelling of 10005500061 in words is "ten billion, five million, five hundred thousand, sixty-one".