10172835561 has 24 divisors (see below), whose sum is σ = 15872794560. Its totient is φ = 5778226272.

The previous prime is 10172835527. The next prime is 10172835571. The reversal of 10172835561 is 16553827101.

It is not a de Polignac number, because 10172835561 - 2¹³ = 10172827369 is a prime.

It is a super-2 number, since 2×10172835561² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10172835511) 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, 182646 + ... + 231743.

It is an arithmetic number, because the mean of its divisors is an integer number (661366440).

Almost surely, 2^10172835561 is an apocalyptic number.

It is an amenable number.

10172835561 is a deficient number, since it is larger than the sum of its proper divisors (5699958999).

10172835561 is a wasteful number, since it uses less digits than its factorization.

10172835561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414573 (or 414566 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 10172835561 in words is "ten billion, one hundred seventy-two million, eight hundred thirty-five thousand, five hundred sixty-one".