91065948135076 has 12 divisors (see below), whose sum is σ = 159365519013708. Its totient is φ = 45532942702592.

The previous prime is 91065948135031. The next prime is 91065948135101. The reversal of 91065948135076 is 67053184956019.

It can be written as a sum of positive squares in 2 ways, for example, as 30108485894400 + 60957462240676 = 5487120^2 + 7807526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 91065948134999 and 91065948135017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556561 + ... + 13507096.

It is an arithmetic number, because the mean of its divisors is an integer number (13280459917809).

Almost surely, 2^{91065948135076} is an apocalyptic number.

It is an amenable number.

91065948135076 is a deficient number, since it is larger than the sum of its proper divisors (68299570878632).

91065948135076 is a wasteful number, since it uses less digits than its factorization.

91065948135076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15682478 (or 15682476 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 91065948135076 in words is "ninety-one trillion, sixty-five billion, nine hundred forty-eight million, one hundred thirty-five thousand, seventy-six".