11331131121291 has 8 divisors (see below), whose sum is σ = 15166961501904. Its totient is φ = 7524694077440.

The previous prime is 11331131121227. The next prime is 11331131121329. The reversal of 11331131121291 is 19212113113311.

11331131121291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11331131121291 - 2⁶ = 11331131121227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11331131122291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7348333290 + ... + 7348334831.

It is an arithmetic number, because the mean of its divisors is an integer number (1895870187738).

Almost surely, 2^{11331131121291} is an apocalyptic number.

11331131121291 is a deficient number, since it is larger than the sum of its proper divisors (3835830380613).

11331131121291 is a wasteful number, since it uses less digits than its factorization.

11331131121291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14696668381.

The product of its digits is 972, while the sum is 30.

The spelling of 11331131121291 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, one hundred twenty-one thousand, two hundred ninety-one".