1135899975 has 48 divisors (see below), whose sum is σ = 2186860032. Its totient is φ = 509458560.

The previous prime is 1135899967. The next prime is 1135899979. The reversal of 1135899975 is 5799985311.

It is not a de Polignac number, because 1135899975 - 2³ = 1135899967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135899979) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7414 + ... + 48236.

It is an arithmetic number, because the mean of its divisors is an integer number (45559584).

Almost surely, 2^1135899975 is an apocalyptic number.

1135899975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1135899975 is a deficient number, since it is larger than the sum of its proper divisors (1050960057).

1135899975 is a wasteful number, since it uses less digits than its factorization.

1135899975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40896 (or 40891 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 57.

The square root of 1135899975 is about 33703.1152120987. The cubic root of 1135899975 is about 1043.3900638979.

The spelling of 1135899975 in words is "one billion, one hundred thirty-five million, eight hundred ninety-nine thousand, nine hundred seventy-five".