1152520755 has 16 divisors (see below), whose sum is σ = 1907621280. Its totient is φ = 593481728.

The previous prime is 1152520751. The next prime is 1152520769. The reversal of 1152520755 is 5570252511.

It is a cyclic number.

It is not a de Polignac number, because 1152520755 - 2² = 1152520751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152520751) 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, 1324302 + ... + 1325171.

It is an arithmetic number, because the mean of its divisors is an integer number (119226330).

Almost surely, 2^1152520755 is an apocalyptic number.

1152520755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1152520755 is a deficient number, since it is larger than the sum of its proper divisors (755100525).

1152520755 is a wasteful number, since it uses less digits than its factorization.

1152520755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649510.

The product of its (nonzero) digits is 17500, while the sum is 33.

The square root of 1152520755 is about 33948.7960758552. The cubic root of 1152520755 is about 1048.4544927058.

The spelling of 1152520755 in words is "one billion, one hundred fifty-two million, five hundred twenty thousand, seven hundred fifty-five".