1152551215 has 4 divisors (see below), whose sum is σ = 1383061464. Its totient is φ = 922040968.

The previous prime is 1152551209. The next prime is 1152551233. The reversal of 1152551215 is 5121552511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5121552511 = 29 ⋅176605259.

It is a cyclic number.

It is not a de Polignac number, because 1152551215 - 2¹³ = 1152543023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115255117 + ... + 115255126.

It is an arithmetic number, because the mean of its divisors is an integer number (345765366).

Almost surely, 2^1152551215 is an apocalyptic number.

1152551215 is a deficient number, since it is larger than the sum of its proper divisors (230510249).

1152551215 is an equidigital number, since it uses as much as digits as its factorization.

1152551215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230510248.

The product of its digits is 2500, while the sum is 28.

The square root of 1152551215 is about 33949.2446896835. The cubic root of 1152551215 is about 1048.4637291678.

The spelling of 1152551215 in words is "one billion, one hundred fifty-two million, five hundred fifty-one thousand, two hundred fifteen".