1055113400 has 96 divisors (see below), whose sum is σ = 2726946000. Its totient is φ = 376396800.

The previous prime is 1055113379. The next prime is 1055113417. The reversal of 1055113400 is 43115501.

It is a super-2 number, since 2×1055113400² = 2226528573719120000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112076 + ... + 121124.

Almost surely, 2^1055113400 is an apocalyptic number.

1055113400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055113400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1363473000).

1055113400 is an abundant number, since it is smaller than the sum of its proper divisors (1671832600).

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

1055113400 is a wasteful number, since it uses less digits than its factorization.

1055113400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9129 (or 9120 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1055113400 is about 32482.5091395354. The cubic root of 1055113400 is about 1018.0436035427.

Adding to 1055113400 its reverse (43115501), we get a palindrome (1098228901).

The spelling of 1055113400 in words is "one billion, fifty-five million, one hundred thirteen thousand, four hundred".