1121502120015 has 8 divisors (see below), whose sum is σ = 1794403392048. Its totient is φ = 598134464000.

The previous prime is 1121502119999. The next prime is 1121502120017. The reversal of 1121502120015 is 5100212051211.

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

It is not a de Polignac number, because 1121502120015 - 2⁴ = 1121502119999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121502119973 and 1121502120000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121502120017) 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 7 ways as a sum of consecutive naturals, for example, 37383403986 + ... + 37383404015.

It is an arithmetic number, because the mean of its divisors is an integer number (224300424006).

Almost surely, 2^{1121502120015} is an apocalyptic number.

1121502120015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1121502120015 is a deficient number, since it is larger than the sum of its proper divisors (672901272033).

1121502120015 is an equidigital number, since it uses as much as digits as its factorization.

1121502120015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74766808009.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 1121502120015 its reverse (5100212051211), we get a palindrome (6221714171226).

The spelling of 1121502120015 in words is "one trillion, one hundred twenty-one billion, five hundred two million, one hundred twenty thousand, fifteen".