1131761848 has 64 divisors (see below), whose sum is σ = 2455738560. Its totient is φ = 478980096.

The previous prime is 1131761767. The next prime is 1131761861. The reversal of 1131761848 is 8481671311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131761848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1908240 + ... + 1908832.

It is an arithmetic number, because the mean of its divisors is an integer number (38370915).

Almost surely, 2^1131761848 is an apocalyptic number.

It is an amenable number.

1131761848 is an abundant number, since it is smaller than the sum of its proper divisors (1323976712).

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

1131761848 is a wasteful number, since it uses less digits than its factorization.

1131761848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 972 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The square root of 1131761848 is about 33641.6683296177. The cubic root of 1131761848 is about 1042.1214855353.

The spelling of 1131761848 in words is "one billion, one hundred thirty-one million, seven hundred sixty-one thousand, eight hundred forty-eight".