10501665655 has 32 divisors (see below), whose sum is σ = 14555298240. Its totient is φ = 7208248320.

The previous prime is 10501665653. The next prime is 10501665659. The reversal of 10501665655 is 55656610501.

It is not a de Polignac number, because 10501665655 - 2¹ = 10501665653 is a prime.

It is a super-2 number, since 2×10501665655² (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 (10501665653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14766 + ... + 145675.

It is an arithmetic number, because the mean of its divisors is an integer number (454853070).

Almost surely, 2^10501665655 is an apocalyptic number.

10501665655 is a deficient number, since it is larger than the sum of its proper divisors (4053632585).

10501665655 is a wasteful number, since it uses less digits than its factorization.

10501665655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160531.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 10501665655 in words is "ten billion, five hundred one million, six hundred sixty-five thousand, six hundred fifty-five".