101542896019 has 2 divisors, whose sum is σ = 101542896020. Its totient is φ = 101542896018.

The previous prime is 101542895929. The next prime is 101542896023. The reversal of 101542896019 is 910698245101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101542896019 - 2¹⁹ = 101542371731 is a prime.

It is a super-2 number, since 2×101542896019² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101542896019.

It is not a weakly prime, because it can be changed into another prime (101542896319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50771448009 + 50771448010.

It is an arithmetic number, because the mean of its divisors is an integer number (50771448010).

Almost surely, 2^101542896019 is an apocalyptic number.

101542896019 is a deficient number, since it is larger than the sum of its proper divisors (1).

101542896019 is an equidigital number, since it uses as much as digits as its factorization.

101542896019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 101542896019 in words is "one hundred one billion, five hundred forty-two million, eight hundred ninety-six thousand, nineteen".