372115332509 has 4 divisors (see below), whose sum is σ = 372120837504. Its totient is φ = 372109827516.

The previous prime is 372115332437. The next prime is 372115332521. The reversal of 372115332509 is 905233511273.

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-372115332509 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 (372115332559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2649827 + ... + 2786720.

It is an arithmetic number, because the mean of its divisors is an integer number (93030209376).

Almost surely, 2^372115332509 is an apocalyptic number.

It is an amenable number.

372115332509 is a deficient number, since it is larger than the sum of its proper divisors (5504995).

372115332509 is an equidigital number, since it uses as much as digits as its factorization.

372115332509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504994.

The product of its (nonzero) digits is 170100, while the sum is 41.

The spelling of 372115332509 in words is "three hundred seventy-two billion, one hundred fifteen million, three hundred thirty-two thousand, five hundred nine".