103142505515105 has 12 divisors (see below), whose sum is σ = 143978517903060. Its totient is φ = 70726289495904.

The previous prime is 103142505515099. The next prime is 103142505515113. The reversal of 103142505515105 is 501515505241301.

It can be written as a sum of positive squares in 2 ways, for example, as 13640915476321 + 89501590038784 = 3693361^2 + 9460528^2 .

It is not a de Polignac number, because 103142505515105 - 2³² = 103138210547809 is a prime.

It is a super-2 number, since 2×103142505515105² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210494908970 + ... + 210494909459.

It is an arithmetic number, because the mean of its divisors is an integer number (11998209825255).

Almost surely, 2^{103142505515105} is an apocalyptic number.

It is an amenable number.

103142505515105 is a deficient number, since it is larger than the sum of its proper divisors (40836012387955).

103142505515105 is an equidigital number, since it uses as much as digits as its factorization.

103142505515105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420989818448 (or 420989818441 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 103142505515105 in words is "one hundred three trillion, one hundred forty-two billion, five hundred five million, five hundred fifteen thousand, one hundred five".