11601731 has 2 divisors, whose sum is σ = 11601732. Its totient is φ = 11601730.

The previous prime is 11601721. The next prime is 11601763. The reversal of 11601731 is 13710611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11601731 - 2¹⁰ = 11600707 is a prime.

It is a super-2 number, since 2×11601731² = 269200324392722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11601721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5800865 + 5800866.

It is an arithmetic number, because the mean of its divisors is an integer number (5800866).

Almost surely, 2^11601731 is an apocalyptic number.

11601731 is a deficient number, since it is larger than the sum of its proper divisors (1).

11601731 is an equidigital number, since it uses as much as digits as its factorization.

11601731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 11601731 is about 3406.1313832558. The cubic root of 11601731 is about 226.3814986005.

The spelling of 11601731 in words is "eleven million, six hundred one thousand, seven hundred thirty-one".