11601026291 has 2 divisors, whose sum is σ = 11601026292. Its totient is φ = 11601026290.

The previous prime is 11601026279. The next prime is 11601026329. The reversal of 11601026291 is 19262010611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11601026291 - 2¹⁴ = 11601009907 is a prime.

It is a super-2 number, since 2×11601026291² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11601026891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5800513145 + 5800513146.

It is an arithmetic number, because the mean of its divisors is an integer number (5800513146).

Almost surely, 2^11601026291 is an apocalyptic number.

11601026291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11601026291 is an equidigital number, since it uses as much as digits as its factorization.

11601026291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 11601026291 in words is "eleven billion, six hundred one million, twenty-six thousand, two hundred ninety-one".