1150221615 has 32 divisors (see below), whose sum is σ = 1950448896. Its totient is φ = 576821760.

The previous prime is 1150221607. The next prime is 1150221619. The reversal of 1150221615 is 5161220511.

It is not a de Polignac number, because 1150221615 - 2³ = 1150221607 is a prime.

It is a super-2 number, since 2×1150221615² = 2646019527226416450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150221619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511684 + ... + 513926.

It is an arithmetic number, because the mean of its divisors is an integer number (60951528).

Almost surely, 2^1150221615 is an apocalyptic number.

1150221615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1150221615 is a deficient number, since it is larger than the sum of its proper divisors (800227281).

1150221615 is a wasteful number, since it uses less digits than its factorization.

1150221615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1150221615 is about 33914.9172931322. The cubic root of 1150221615 is about 1047.7568484781.

The spelling of 1150221615 in words is "one billion, one hundred fifty million, two hundred twenty-one thousand, six hundred fifteen".