103311115425 has 72 divisors (see below), whose sum is σ = 211807179584. Its totient is φ = 47154026880.

The previous prime is 103311115387. The next prime is 103311115441. The reversal of 103311115425 is 524511113301.

103311115425 is a `hidden beast` number, since 1 + 0 + 3 + 3 + 1 + 111 + 542 + 5 = 666.

It is not a de Polignac number, because 103311115425 - 2⁸ = 103311115169 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 961719 + ... + 1063731.

Almost surely, 2^103311115425 is an apocalyptic number.

103311115425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103311115425 is an abundant number, since it is smaller than the sum of its proper divisors (108496064159).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103311115425 is a wasteful number, since it uses less digits than its factorization.

103311115425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102679 (or 102671 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 103311115425 its reverse (524511113301), we get a palindrome (627822228726).

The spelling of 103311115425 in words is "one hundred three billion, three hundred eleven million, one hundred fifteen thousand, four hundred twenty-five".