1150298537221 has 4 divisors (see below), whose sum is σ = 1150657672032. Its totient is φ = 1149939402412.

The previous prime is 1150298537177. The next prime is 1150298537251. The reversal of 1150298537221 is 1227358920511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1150298537221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150298537251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179562601 + ... + 179569006.

It is an arithmetic number, because the mean of its divisors is an integer number (287664418008).

Almost surely, 2^{1150298537221} is an apocalyptic number.

It is an amenable number.

1150298537221 is a deficient number, since it is larger than the sum of its proper divisors (359134811).

1150298537221 is an equidigital number, since it uses as much as digits as its factorization.

1150298537221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359134810.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 1150298537221 in words is "one trillion, one hundred fifty billion, two hundred ninety-eight million, five hundred thirty-seven thousand, two hundred twenty-one".