11131433355 has 32 divisors (see below), whose sum is σ = 20367673344. Its totient is φ = 5085392256.

The previous prime is 11131433351. The next prime is 11131433359. The reversal of 11131433355 is 55333413111.

It is an interprime number because it is at equal distance from previous prime (11131433351) and next prime (11131433359).

It is not a de Polignac number, because 11131433355 - 2² = 11131433351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11131433351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134494 + ... + 200876.

It is an arithmetic number, because the mean of its divisors is an integer number (636489792).

Almost surely, 2^11131433355 is an apocalyptic number.

11131433355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11131433355 is a deficient number, since it is larger than the sum of its proper divisors (9236239989).

11131433355 is a wasteful number, since it uses less digits than its factorization.

11131433355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67995.

The product of its digits is 8100, while the sum is 30.

Adding to 11131433355 its reverse (55333413111), we get a palindrome (66464846466).

The spelling of 11131433355 in words is "eleven billion, one hundred thirty-one million, four hundred thirty-three thousand, three hundred fifty-five".