10555056101565 has 48 divisors (see below), whose sum is σ = 18354735374976. Its totient is φ = 5611118716800.

The previous prime is 10555056101539. The next prime is 10555056101621. The reversal of 10555056101565 is 56510165055501.

10555056101565 is a `hidden beast` number, since 10 + 5 + 5 + 5 + 0 + 5 + 610 + 15 + 6 + 5 = 666.

It is not a de Polignac number, because 10555056101565 - 2⁸ = 10555056101309 is a prime.

It is a super-2 number, since 2×10555056101565² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10555056101565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215248600 + ... + 215297630.

It is an arithmetic number, because the mean of its divisors is an integer number (382390320312).

Almost surely, 2^{10555056101565} is an apocalyptic number.

10555056101565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10555056101565 is a deficient number, since it is larger than the sum of its proper divisors (7799679273411).

10555056101565 is a wasteful number, since it uses less digits than its factorization.

10555056101565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64450 (or 64447 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 45.

The spelling of 10555056101565 in words is "ten trillion, five hundred fifty-five billion, fifty-six million, one hundred one thousand, five hundred sixty-five".