103415551999 has 2 divisors, whose sum is σ = 103415552000. Its totient is φ = 103415551998.

The previous prime is 103415551997. The next prime is 103415552033. The reversal of 103415551999 is 999155514301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103415551999 - 2¹ = 103415551997 is a prime.

Together with 103415551997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103415551997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51707775999 + 51707776000.

It is an arithmetic number, because the mean of its divisors is an integer number (51707776000).

Almost surely, 2^103415551999 is an apocalyptic number.

103415551999 is a deficient number, since it is larger than the sum of its proper divisors (1).

103415551999 is an equidigital number, since it uses as much as digits as its factorization.

103415551999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1093500, while the sum is 52.

The spelling of 103415551999 in words is "one hundred three billion, four hundred fifteen million, five hundred fifty-one thousand, nine hundred ninety-nine".