103111550449 has 2 divisors, whose sum is σ = 103111550450. Its totient is φ = 103111550448.

The previous prime is 103111550431. The next prime is 103111550453. The reversal of 103111550449 is 944055111301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102491540449 + 620010000 = 320143^2 + 24900^2 .

It is a cyclic number.

It is not a de Polignac number, because 103111550449 - 2³³ = 94521615857 is a prime.

It is not a weakly prime, because it can be changed into another prime (103111557449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51555775224 + 51555775225.

It is an arithmetic number, because the mean of its divisors is an integer number (51555775225).

Almost surely, 2^103111550449 is an apocalyptic number.

It is an amenable number.

103111550449 is a deficient number, since it is larger than the sum of its proper divisors (1).

103111550449 is an equidigital number, since it uses as much as digits as its factorization.

103111550449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 103111550449 in words is "one hundred three billion, one hundred eleven million, five hundred fifty thousand, four hundred forty-nine".