1131550662 has 128 divisors (see below), whose sum is σ = 2700656640. Its totient is φ = 312387840.

The previous prime is 1131550657. The next prime is 1131550729. The reversal of 1131550662 is 2660551311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4302343 + ... + 4302605.

It is an arithmetic number, because the mean of its divisors is an integer number (21098880).

Almost surely, 2^1131550662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131550662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350328320).

1131550662 is an abundant number, since it is smaller than the sum of its proper divisors (1569105978).

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

1131550662 is a wasteful number, since it uses less digits than its factorization.

1131550662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1131550662 is about 33638.5294268343. The cubic root of 1131550662 is about 1042.0566617803.

The spelling of 1131550662 in words is "one billion, one hundred thirty-one million, five hundred fifty thousand, six hundred sixty-two".