10645501550 has 12 divisors (see below), whose sum is σ = 19800632976. Its totient is φ = 4258200600.

The previous prime is 10645501549. The next prime is 10645501577. The reversal of 10645501550 is 5510554601.

It is a super-2 number, since 2×10645501550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106454966 + ... + 106455065.

It is an arithmetic number, because the mean of its divisors is an integer number (1650052748).

Almost surely, 2^10645501550 is an apocalyptic number.

10645501550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10645501550 is a deficient number, since it is larger than the sum of its proper divisors (9155131426).

10645501550 is a wasteful number, since it uses less digits than its factorization.

10645501550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212910043 (or 212910038 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 10645501550 in words is "ten billion, six hundred forty-five million, five hundred one thousand, five hundred fifty".