1150400159 has 16 divisors (see below), whose sum is σ = 1213077120. Its totient is φ = 1089365760.

The previous prime is 1150400137. The next prime is 1150400171. The reversal of 1150400159 is 9510040511.

It is a cyclic number.

It is not a de Polignac number, because 1150400159 - 2⁸ = 1150399903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150400179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807722 + ... + 809144.

It is an arithmetic number, because the mean of its divisors is an integer number (75817320).

Almost surely, 2^1150400159 is an apocalyptic number.

1150400159 is a deficient number, since it is larger than the sum of its proper divisors (62676961).

1150400159 is a wasteful number, since it uses less digits than its factorization.

1150400159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 1150400159 is about 33917.5494250395. The cubic root of 1150400159 is about 1047.8110586169.

The spelling of 1150400159 in words is "one billion, one hundred fifty million, four hundred thousand, one hundred fifty-nine".