1115216611937 has 4 divisors (see below), whose sum is σ = 1115574170880. Its totient is φ = 1114859052996.

The previous prime is 1115216611889. The next prime is 1115216612033. The reversal of 1115216611937 is 7391166125111.

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 not a de Polignac number, because 1115216611937 - 2¹⁰ = 1115216610913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115216613937) 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, 178774793 + ... + 178781030.

It is an arithmetic number, because the mean of its divisors is an integer number (278893542720).

Almost surely, 2^{1115216611937} is an apocalyptic number.

It is an amenable number.

1115216611937 is a deficient number, since it is larger than the sum of its proper divisors (357558943).

1115216611937 is an equidigital number, since it uses as much as digits as its factorization.

1115216611937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357558942.

The product of its digits is 68040, while the sum is 44.

The spelling of 1115216611937 in words is "one trillion, one hundred fifteen billion, two hundred sixteen million, six hundred eleven thousand, nine hundred thirty-seven".