1131542889755 has 4 divisors (see below), whose sum is σ = 1357851467712. Its totient is φ = 905234311800.

The previous prime is 1131542889739. The next prime is 1131542889767. The reversal of 1131542889755 is 5579882451311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1131542889755 - 2⁴ = 1131542889739 is a prime.

It is a super-2 number, since 2×1131542889755² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131542889694 and 1131542889703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113154288971 + ... + 113154288980.

It is an arithmetic number, because the mean of its divisors is an integer number (339462866928).

Almost surely, 2^{1131542889755} is an apocalyptic number.

1131542889755 is a deficient number, since it is larger than the sum of its proper divisors (226308577957).

1131542889755 is an equidigital number, since it uses as much as digits as its factorization.

1131542889755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226308577956.

The product of its digits is 12096000, while the sum is 59.

The spelling of 1131542889755 in words is "one trillion, one hundred thirty-one billion, five hundred forty-two million, eight hundred eighty-nine thousand, seven hundred fifty-five".