1135563100 has 36 divisors (see below), whose sum is σ = 2816198224. Its totient is φ = 389335680.

The previous prime is 1135563097. The next prime is 1135563113. The reversal of 1135563100 is 13655311.

It is a super-2 number, since 2×1135563100² = 2579007108163220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 810417 + ... + 811816.

Almost surely, 2^1135563100 is an apocalyptic number.

1135563100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135563100 is an abundant number, since it is smaller than the sum of its proper divisors (1680635124).

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

1135563100 is a wasteful number, since it uses less digits than its factorization.

1135563100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622254 (or 1622247 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 1135563100 is about 33698.1171580847. The cubic root of 1135563100 is about 1043.2869072853.

The spelling of 1135563100 in words is "one billion, one hundred thirty-five million, five hundred sixty-three thousand, one hundred".