1150516621 has 8 divisors (see below), whose sum is σ = 1179308088. Its totient is φ = 1121760000.

The previous prime is 1150516529. The next prime is 1150516637. The reversal of 1150516621 is 1266150511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44222500 + 1106294121 = 6650^2 + 33261^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1150516621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1150516621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150516721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66051 + ... + 81631.

It is an arithmetic number, because the mean of its divisors is an integer number (147413511).

Almost surely, 2^1150516621 is an apocalyptic number.

It is an amenable number.

1150516621 is a deficient number, since it is larger than the sum of its proper divisors (28791467).

1150516621 is a wasteful number, since it uses less digits than its factorization.

1150516621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17423.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1150516621 is about 33919.2662214264. The cubic root of 1150516621 is about 1047.8464161844.

The spelling of 1150516621 in words is "one billion, one hundred fifty million, five hundred sixteen thousand, six hundred twenty-one".