19116148801 has 2 divisors, whose sum is σ = 19116148802. Its totient is φ = 19116148800.

The previous prime is 19116148789. The next prime is 19116148913. The reversal of 19116148801 is 10884161191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12315672576 + 6800476225 = 110976^2 + 82465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19116148801 is a prime.

It is not a weakly prime, because it can be changed into another prime (19116148001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9558074400 + 9558074401.

It is an arithmetic number, because the mean of its divisors is an integer number (9558074401).

Almost surely, 2^19116148801 is an apocalyptic number.

It is an amenable number.

19116148801 is a deficient number, since it is larger than the sum of its proper divisors (1).

19116148801 is an equidigital number, since it uses as much as digits as its factorization.

19116148801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 40.

The spelling of 19116148801 in words is "nineteen billion, one hundred sixteen million, one hundred forty-eight thousand, eight hundred one".