1150251755 has 4 divisors (see below), whose sum is σ = 1380302112. Its totient is φ = 920201400.

The previous prime is 1150251743. The next prime is 1150251797. The reversal of 1150251755 is 5571520511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5571520511 = 2797 ⋅1991963.

It is not a de Polignac number, because 1150251755 - 2⁶ = 1150251691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115025171 + ... + 115025180.

It is an arithmetic number, because the mean of its divisors is an integer number (345075528).

Almost surely, 2^1150251755 is an apocalyptic number.

1150251755 is a deficient number, since it is larger than the sum of its proper divisors (230050357).

1150251755 is an equidigital number, since it uses as much as digits as its factorization.

1150251755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230050356.

The product of its (nonzero) digits is 8750, while the sum is 32.

The square root of 1150251755 is about 33915.3616374645. The cubic root of 1150251755 is about 1047.7660000814.

The spelling of 1150251755 in words is "one billion, one hundred fifty million, two hundred fifty-one thousand, seven hundred fifty-five".