103512779550719 has 16 divisors (see below), whose sum is σ = 129055165658880. Its totient is φ = 80659138944960.

The previous prime is 103512779550679. The next prime is 103512779550737. The reversal of 103512779550719 is 917055977215301.

It is a cyclic number.

It is not a de Polignac number, because 103512779550719 - 2⁸ = 103512779550463 is a prime.

It is a super-2 number, since 2×103512779550719² (a number of 29 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 (103512779552719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45388292 + ... + 47614310.

It is an arithmetic number, because the mean of its divisors is an integer number (8065947853680).

Almost surely, 2^{103512779550719} is an apocalyptic number.

103512779550719 is a deficient number, since it is larger than the sum of its proper divisors (25542386108161).

103512779550719 is a wasteful number, since it uses less digits than its factorization.

103512779550719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829950.

The product of its (nonzero) digits is 20837250, while the sum is 62.

The spelling of 103512779550719 in words is "one hundred three trillion, five hundred twelve billion, seven hundred seventy-nine million, five hundred fifty thousand, seven hundred nineteen".