10715221617 has 4 divisors (see below), whose sum is σ = 14286962160. Its totient is φ = 7143481076.

The previous prime is 10715221613. The next prime is 10715221639. The reversal of 10715221617 is 71612251701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10715221617 - 2² = 10715221613 is a prime.

It is a super-2 number, since 2×10715221617² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10715221613) 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, 1785870267 + ... + 1785870272.

It is an arithmetic number, because the mean of its divisors is an integer number (3571740540).

Almost surely, 2^10715221617 is an apocalyptic number.

It is an amenable number.

10715221617 is a deficient number, since it is larger than the sum of its proper divisors (3571740543).

10715221617 is an equidigital number, since it uses as much as digits as its factorization.

10715221617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571740542.

The product of its (nonzero) digits is 5880, while the sum is 33.

The spelling of 10715221617 in words is "ten billion, seven hundred fifteen million, two hundred twenty-one thousand, six hundred seventeen".