11611607 has 4 divisors (see below), whose sum is σ = 13270416. Its totient is φ = 9952800.

The previous prime is 11611597. The next prime is 11611609. The reversal of 11611607 is 70611611.

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 11611607 - 2⁶ = 11611543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11611609) 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, 829394 + ... + 829407.

It is an arithmetic number, because the mean of its divisors is an integer number (3317604).

Almost surely, 2^11611607 is an apocalyptic number.

11611607 is a deficient number, since it is larger than the sum of its proper divisors (1658809).

11611607 is an equidigital number, since it uses as much as digits as its factorization.

11611607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658808.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11611607 is about 3407.5808134217. The cubic root of 11611607 is about 226.4457163046.

The spelling of 11611607 in words is "eleven million, six hundred eleven thousand, six hundred seven".