103512779550679 has 2 divisors, whose sum is σ = 103512779550680. Its totient is φ = 103512779550678.

The previous prime is 103512779550527. The next prime is 103512779550737. The reversal of 103512779550679 is 976055977215301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103512779550679 is a prime.

It is a super-2 number, since 2×103512779550679² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103512779500679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51756389775339 + 51756389775340.

It is an arithmetic number, because the mean of its divisors is an integer number (51756389775340).

Almost surely, 2^{103512779550679} is an apocalyptic number.

103512779550679 is a deficient number, since it is larger than the sum of its proper divisors (1).

103512779550679 is an equidigital number, since it uses as much as digits as its factorization.

103512779550679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125023500, while the sum is 67.

The spelling of 103512779550679 in words is "one hundred three trillion, five hundred twelve billion, seven hundred seventy-nine million, five hundred fifty thousand, six hundred seventy-nine".