1123620115615 has 8 divisors (see below), whose sum is σ = 1406967797088. Its totient is φ = 859813653600.

The previous prime is 1123620115603. The next prime is 1123620115649. The reversal of 1123620115615 is 5165110263211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1123620115615 - 2²⁵ = 1123586561183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4885304736 + ... + 4885304965.

It is an arithmetic number, because the mean of its divisors is an integer number (175870974636).

Almost surely, 2^{1123620115615} is an apocalyptic number.

1123620115615 is a deficient number, since it is larger than the sum of its proper divisors (283347681473).

1123620115615 is an equidigital number, since it uses as much as digits as its factorization.

1123620115615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9770609729.

The product of its (nonzero) digits is 10800, while the sum is 34.

Adding to 1123620115615 its reverse (5165110263211), we get a palindrome (6288730378826).

The spelling of 1123620115615 in words is "one trillion, one hundred twenty-three billion, six hundred twenty million, one hundred fifteen thousand, six hundred fifteen".