1151255755 has 8 divisors (see below), whose sum is σ = 1487776752. Its totient is φ = 850158048.

The previous prime is 1151255701. The next prime is 1151255783. The reversal of 1151255755 is 5575521511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1151255755 - 2⁷ = 1151255627 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8855749 + ... + 8855878.

It is an arithmetic number, because the mean of its divisors is an integer number (185972094).

Almost surely, 2^1151255755 is an apocalyptic number.

1151255755 is a deficient number, since it is larger than the sum of its proper divisors (336520997).

1151255755 is a wasteful number, since it uses less digits than its factorization.

1151255755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17711645.

The product of its digits is 43750, while the sum is 37.

The square root of 1151255755 is about 33930.1599613088. The cubic root of 1151255755 is about 1048.0707597829.

The spelling of 1151255755 in words is "one billion, one hundred fifty-one million, two hundred fifty-five thousand, seven hundred fifty-five".