101240144399 has 2 divisors, whose sum is σ = 101240144400. Its totient is φ = 101240144398.

The previous prime is 101240144371. The next prime is 101240144419. The reversal of 101240144399 is 993441042101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101240144399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101240144309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50620072199 + 50620072200.

It is an arithmetic number, because the mean of its divisors is an integer number (50620072200).

Almost surely, 2^101240144399 is an apocalyptic number.

101240144399 is a deficient number, since it is larger than the sum of its proper divisors (1).

101240144399 is an equidigital number, since it uses as much as digits as its factorization.

101240144399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 101240144399 in words is "one hundred one billion, two hundred forty million, one hundred forty-four thousand, three hundred ninety-nine".