37821942115 has 4 divisors (see below), whose sum is σ = 45386330544. Its totient is φ = 30257553688.

The previous prime is 37821942083. The next prime is 37821942143. The reversal of 37821942115 is 51124912873.

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

It is a cyclic number.

It is not a de Polignac number, because 37821942115 - 2⁵ = 37821942083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3782194207 + ... + 3782194216.

It is an arithmetic number, because the mean of its divisors is an integer number (11346582636).

Almost surely, 2^37821942115 is an apocalyptic number.

37821942115 is a deficient number, since it is larger than the sum of its proper divisors (7564388429).

37821942115 is an equidigital number, since it uses as much as digits as its factorization.

37821942115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7564388428.

The product of its digits is 120960, while the sum is 43.

The spelling of 37821942115 in words is "thirty-seven billion, eight hundred twenty-one million, nine hundred forty-two thousand, one hundred fifteen".