11401145291 has 2 divisors, whose sum is σ = 11401145292. Its totient is φ = 11401145290.

The previous prime is 11401145269. The next prime is 11401145321. The reversal of 11401145291 is 19254110411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11401145291 - 2⁶ = 11401145227 is a prime.

It is a super-2 number, since 2×11401145291² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11401145201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700572645 + 5700572646.

It is an arithmetic number, because the mean of its divisors is an integer number (5700572646).

Almost surely, 2^11401145291 is an apocalyptic number.

11401145291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11401145291 is an equidigital number, since it uses as much as digits as its factorization.

11401145291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 11401145291 in words is "eleven billion, four hundred one million, one hundred forty-five thousand, two hundred ninety-one".