1135553013 has 20 divisors (see below), whose sum is σ = 1938652320. Its totient is φ = 648887112.

The previous prime is 1135552973. The next prime is 1135553021. The reversal of 1135553013 is 3103555311.

1135553013 is a `hidden beast` number, since 1 + 1 + 355 + 5 + 301 + 3 = 666.

It is not a de Polignac number, because 1135553013 - 2⁹ = 1135552501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135553053) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1000803 + ... + 1001936.

It is an arithmetic number, because the mean of its divisors is an integer number (96932616).

Almost surely, 2^1135553013 is an apocalyptic number.

It is an amenable number.

1135553013 is a deficient number, since it is larger than the sum of its proper divisors (803099307).

1135553013 is an equidigital number, since it uses as much as digits as its factorization.

1135553013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002758 (or 2002749 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 27.

The square root of 1135553013 is about 33697.9674906366. The cubic root of 1135553013 is about 1043.2838181670.

The spelling of 1135553013 in words is "one billion, one hundred thirty-five million, five hundred fifty-three thousand, thirteen".