91519295045 has 16 divisors (see below), whose sum is σ = 110444822400. Its totient is φ = 72801457344.

The previous prime is 91519295041. The next prime is 91519295051. The reversal of 91519295045 is 54059291519.

It is a cyclic number.

It is not a de Polignac number, because 91519295045 - 2² = 91519295041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91519294984 and 91519295002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91519295041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1590599 + ... + 1647131.

It is an arithmetic number, because the mean of its divisors is an integer number (6902801400).

Almost surely, 2^91519295045 is an apocalyptic number.

It is an amenable number.

91519295045 is a deficient number, since it is larger than the sum of its proper divisors (18925527355).

91519295045 is a wasteful number, since it uses less digits than its factorization.

91519295045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58364.

The product of its (nonzero) digits is 729000, while the sum is 50.

The spelling of 91519295045 in words is "ninety-one billion, five hundred nineteen million, two hundred ninety-five thousand, forty-five".