103042612515 has 48 divisors (see below), whose sum is σ = 170871888096. Its totient is φ = 53022950400.

The previous prime is 103042612511. The next prime is 103042612531. The reversal of 103042612515 is 515216240301.

It is not a de Polignac number, because 103042612515 - 2² = 103042612511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103042612511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28773025 + ... + 28776605.

It is an arithmetic number, because the mean of its divisors is an integer number (3559831002).

Almost surely, 2^103042612515 is an apocalyptic number.

103042612515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103042612515 is a deficient number, since it is larger than the sum of its proper divisors (67829275581).

103042612515 is a wasteful number, since it uses less digits than its factorization.

103042612515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5928 (or 5899 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 103042612515 its reverse (515216240301), we get a palindrome (618258852816).

The spelling of 103042612515 in words is "one hundred three billion, forty-two million, six hundred twelve thousand, five hundred fifteen".