10611642247 has 4 divisors (see below), whose sum is σ = 10613770000. Its totient is φ = 10609514496.

The previous prime is 10611642193. The next prime is 10611642269. The reversal of 10611642247 is 74224611601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10611642247 is a prime.

It is a super-2 number, since 2×10611642247² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10611642287) 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, 1056378 + ... + 1066375.

It is an arithmetic number, because the mean of its divisors is an integer number (2653442500).

Almost surely, 2^10611642247 is an apocalyptic number.

10611642247 is a deficient number, since it is larger than the sum of its proper divisors (2127753).

10611642247 is an equidigital number, since it uses as much as digits as its factorization.

10611642247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127752.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 10611642247 in words is "ten billion, six hundred eleven million, six hundred forty-two thousand, two hundred forty-seven".