1115750400 has 204 divisors, whose sum is σ = 3705639312. Its totient is φ = 296222720.

The previous prime is 1115750387. The next prime is 1115750407. The reversal of 1115750400 is 40575111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1115750407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4915087 + ... + 4915313.

Almost surely, 2^1115750400 is an apocalyptic number.

1115750400 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 1115750400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852819656).

1115750400 is an abundant number, since it is smaller than the sum of its proper divisors (2589888912).

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

1115750400 is an frugal number, since it uses more digits than its factorization.

1115750400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 1115750400 is about 33402.8501777917. The cubic root of 1115750400 is about 1037.1837019072.

The spelling of 1115750400 in words is "one billion, one hundred fifteen million, seven hundred fifty thousand, four hundred".