101995087499 has 2 divisors, whose sum is σ = 101995087500. Its totient is φ = 101995087498.

The previous prime is 101995087457. The next prime is 101995087541. The reversal of 101995087499 is 994780599101.

It is a balanced prime because it is at equal distance from previous prime (101995087457) and next prime (101995087541).

It is an emirp because it is prime and its reverse (994780599101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101995087499 - 2¹⁶ = 101995021963 is a prime.

It is not a weakly prime, because it can be changed into another prime (101995087699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50997543749 + 50997543750.

It is an arithmetic number, because the mean of its divisors is an integer number (50997543750).

Almost surely, 2^101995087499 is an apocalyptic number.

101995087499 is a deficient number, since it is larger than the sum of its proper divisors (1).

101995087499 is an equidigital number, since it uses as much as digits as its factorization.

101995087499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 62.

The spelling of 101995087499 in words is "one hundred one billion, nine hundred ninety-five million, eighty-seven thousand, four hundred ninety-nine".