1150136521 has 2 divisors, whose sum is σ = 1150136522. Its totient is φ = 1150136520.

The previous prime is 1150136503. The next prime is 1150136531. The reversal of 1150136521 is 1256310511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 908178496 + 241958025 = 30136^2 + 15555^2 .

It is an emirp because it is prime and its reverse (1256310511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1150136521 - 2²¹ = 1148039369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1150136531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575068260 + 575068261.

It is an arithmetic number, because the mean of its divisors is an integer number (575068261).

Almost surely, 2^1150136521 is an apocalyptic number.

It is an amenable number.

1150136521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150136521 is an equidigital number, since it uses as much as digits as its factorization.

1150136521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1150136521 is about 33913.6627482199. The cubic root of 1150136521 is about 1047.7310099734.

The spelling of 1150136521 in words is "one billion, one hundred fifty million, one hundred thirty-six thousand, five hundred twenty-one".