10506655651 has 4 divisors (see below), whose sum is σ = 10576236304. Its totient is φ = 10437075000.

The previous prime is 10506655603. The next prime is 10506655657. The reversal of 10506655651 is 15655660501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10506655651 - 2¹⁵ = 10506622883 is a prime.

It is a super-2 number, since 2×10506655651² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10506655657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34790100 + ... + 34790401.

It is an arithmetic number, because the mean of its divisors is an integer number (2644059076).

Almost surely, 2^10506655651 is an apocalyptic number.

10506655651 is a deficient number, since it is larger than the sum of its proper divisors (69580653).

10506655651 is an equidigital number, since it uses as much as digits as its factorization.

10506655651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69580652.

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

The spelling of 10506655651 in words is "ten billion, five hundred six million, six hundred fifty-five thousand, six hundred fifty-one".