10561655127 has 16 divisors (see below), whose sum is σ = 14912644320. Its totient is φ = 6625999872.

The previous prime is 10561655119. The next prime is 10561655179. The reversal of 10561655127 is 72155616501.

It is a happy number.

It is not a de Polignac number, because 10561655127 - 2³ = 10561655119 is a prime.

It is a super-2 number, since 2×10561655127² (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 (10561655327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721699 + ... + 736187.

It is an arithmetic number, because the mean of its divisors is an integer number (932040270).

Almost surely, 2^10561655127 is an apocalyptic number.

10561655127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

10561655127 is a deficient number, since it is larger than the sum of its proper divisors (4350989193).

10561655127 is a wasteful number, since it uses less digits than its factorization.

10561655127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28802.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 10561655127 in words is "ten billion, five hundred sixty-one million, six hundred fifty-five thousand, one hundred twenty-seven".