10506552645 has 16 divisors (see below), whose sum is σ = 17695247040. Its totient is φ = 5308573824.

The previous prime is 10506552629. The next prime is 10506552659. The reversal of 10506552645 is 54625560501.

It is a happy number.

It is not a de Polignac number, because 10506552645 - 2⁴ = 10506552629 is a prime.

It is a super-2 number, since 2×10506552645² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18432264 + ... + 18432833.

It is an arithmetic number, because the mean of its divisors is an integer number (1105952940).

Almost surely, 2^10506552645 is an apocalyptic number.

10506552645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10506552645 is a deficient number, since it is larger than the sum of its proper divisors (7188694395).

10506552645 is a wasteful number, since it uses less digits than its factorization.

10506552645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36865124.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 10506552645 in words is "ten billion, five hundred six million, five hundred fifty-two thousand, six hundred forty-five".