1131528788886 has 16 divisors (see below), whose sum is σ = 2267120524464. Its totient is φ = 376499105184.

The previous prime is 1131528788857. The next prime is 1131528788903. The reversal of 1131528788886 is 6888878251311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169285825 + ... + 169292508.

It is an arithmetic number, because the mean of its divisors is an integer number (141695032779).

Almost surely, 2^{1131528788886} is an apocalyptic number.

1131528788886 is an abundant number, since it is smaller than the sum of its proper divisors (1135591735578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131528788886 is a wasteful number, since it uses less digits than its factorization.

1131528788886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338578895.

The product of its digits is 41287680, while the sum is 66.

The spelling of 1131528788886 in words is "one trillion, one hundred thirty-one billion, five hundred twenty-eight million, seven hundred eighty-eight thousand, eight hundred eighty-six".