1135515440 has 20 divisors (see below), whose sum is σ = 2640073584. Its totient is φ = 454206144.

The previous prime is 1135515431. The next prime is 1135515499. The reversal of 1135515440 is 445155311.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7096892 + ... + 7097051.

Almost surely, 2^1135515440 is an apocalyptic number.

1135515440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135515440 is an abundant number, since it is smaller than the sum of its proper divisors (1504558144).

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

1135515440 is a wasteful number, since it uses less digits than its factorization.

1135515440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14193956 (or 14193950 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1135515440 is about 33697.4099894933. The cubic root of 1135515440 is about 1043.2723113697.

The spelling of 1135515440 in words is "one billion, one hundred thirty-five million, five hundred fifteen thousand, four hundred forty".