1131552699 has 8 divisors (see below), whose sum is σ = 1515888192. Its totient is φ = 750792840.

The previous prime is 1131552679. The next prime is 1131552701. The reversal of 1131552699 is 9962551311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1131552699 - 2¹⁶ = 1131487163 is a prime.

It is a super-2 number, since 2×1131552699² = 2560823021228369202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1131552699.

It is not an unprimeable number, because it can be changed into a prime (1131552649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893169 + ... + 894434.

It is an arithmetic number, because the mean of its divisors is an integer number (189486024).

Almost surely, 2^1131552699 is an apocalyptic number.

1131552699 is a deficient number, since it is larger than the sum of its proper divisors (384335493).

1131552699 is a wasteful number, since it uses less digits than its factorization.

1131552699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787817.

The product of its digits is 72900, while the sum is 42.

The square root of 1131552699 is about 33638.5597046009. The cubic root of 1131552699 is about 1042.0572870780.

The spelling of 1131552699 in words is "one billion, one hundred thirty-one million, five hundred fifty-two thousand, six hundred ninety-nine".