11390231155 has 8 divisors (see below), whose sum is σ = 13696346592. Its totient is φ = 9093472128.

The previous prime is 11390231147. The next prime is 11390231179. The reversal of 11390231155 is 55113209311.

11390231155 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 11390231155 - 2³ = 11390231147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336422 + ... + 2341291.

It is an arithmetic number, because the mean of its divisors is an integer number (1712043324).

Almost surely, 2^11390231155 is an apocalyptic number.

11390231155 is a deficient number, since it is larger than the sum of its proper divisors (2306115437).

11390231155 is an equidigital number, since it uses as much as digits as its factorization.

11390231155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678205.

The product of its (nonzero) digits is 4050, while the sum is 31.

The spelling of 11390231155 in words is "eleven billion, three hundred ninety million, two hundred thirty-one thousand, one hundred fifty-five".