1155350400 has 96 divisors (see below), whose sum is σ = 3805467000. Its totient is φ = 308090880.

The previous prime is 1155350389. The next prime is 1155350407. The reversal of 1155350400 is 40535511.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155350407) 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, 50575 + ... + 69774.

Almost surely, 2^1155350400 is an apocalyptic number.

1155350400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155350400 is an abundant number, since it is smaller than the sum of its proper divisors (2650116600).

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

1155350400 is a wasteful number, since it uses less digits than its factorization.

1155350400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120376 (or 120359 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1155350400 is about 33990.4457164068. The cubic root of 1155350400 is about 1049.3118393336.

Adding to 1155350400 its reverse (40535511), we get a palindrome (1195885911).

The spelling of 1155350400 in words is "one billion, one hundred fifty-five million, three hundred fifty thousand, four hundred".