1915379812103 has 8 divisors (see below), whose sum is σ = 1965581490096. Its totient is φ = 1865344091200.

The previous prime is 1915379812079. The next prime is 1915379812127. The reversal of 1915379812103 is 3012189735191.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1915379812079) and next prime (1915379812127).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1915379812103 is a prime.

It is a super-2 number, since 2×1915379812103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1915379812183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41465888 + ... + 41512053.

It is an arithmetic number, because the mean of its divisors is an integer number (245697686262).

Almost surely, 2^{1915379812103} is an apocalyptic number.

1915379812103 is a deficient number, since it is larger than the sum of its proper divisors (50201677993).

1915379812103 is an equidigital number, since it uses as much as digits as its factorization.

1915379812103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82978545.

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 1915379812103 in words is "one trillion, nine hundred fifteen billion, three hundred seventy-nine million, eight hundred twelve thousand, one hundred three".