101995087541 has 2 divisors, whose sum is σ = 101995087542. Its totient is φ = 101995087540.

The previous prime is 101995087499. The next prime is 101995087553. The reversal of 101995087541 is 145780599101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57670101316 + 44324986225 = 240146^2 + 210535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101995087541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101995087541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101995087241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50997543770 + 50997543771.

It is an arithmetic number, because the mean of its divisors is an integer number (50997543771).

Almost surely, 2^101995087541 is an apocalyptic number.

It is an amenable number.

101995087541 is a deficient number, since it is larger than the sum of its proper divisors (1).

101995087541 is an equidigital number, since it uses as much as digits as its factorization.

101995087541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 50.

The spelling of 101995087541 in words is "one hundred one billion, nine hundred ninety-five million, eighty-seven thousand, five hundred forty-one".