1150400513 has 4 divisors (see below), whose sum is σ = 1154076228. Its totient is φ = 1146724800.

The previous prime is 1150400491. The next prime is 1150400521. The reversal of 1150400513 is 3150040511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 386043904 + 764356609 = 19648^2 + 27647^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150400513 - 2¹⁰ = 1150399489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150400533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837388 + ... + 1838013.

It is an arithmetic number, because the mean of its divisors is an integer number (288519057).

Almost surely, 2^1150400513 is an apocalyptic number.

It is an amenable number.

1150400513 is a deficient number, since it is larger than the sum of its proper divisors (3675715).

1150400513 is an equidigital number, since it uses as much as digits as its factorization.

1150400513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675714.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1150400513 is about 33917.5546435765. The cubic root of 1150400513 is about 1047.8111660940.

The spelling of 1150400513 in words is "one billion, one hundred fifty million, four hundred thousand, five hundred thirteen".