11240441391 has 16 divisors (see below), whose sum is σ = 15260931968. Its totient is φ = 7357240800.

The previous prime is 11240441357. The next prime is 11240441411. The reversal of 11240441391 is 19314404211.

It is not a de Polignac number, because 11240441391 - 2¹³ = 11240433199 is a prime.

It is a super-4 number, since 4×11240441391⁴ (a number of 41 digits) contains 4444 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 (11240441321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43956 + ... + 156246.

It is an arithmetic number, because the mean of its divisors is an integer number (953808248).

Almost surely, 2^11240441391 is an apocalyptic number.

11240441391 is a deficient number, since it is larger than the sum of its proper divisors (4020490577).

11240441391 is a wasteful number, since it uses less digits than its factorization.

11240441391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112902.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 11240441391 in words is "eleven billion, two hundred forty million, four hundred forty-one thousand, three hundred ninety-one".