91274495151 has 12 divisors (see below), whose sum is σ = 141568604952. Its totient is φ = 52156854288.

The previous prime is 91274495131. The next prime is 91274495161. The reversal of 91274495151 is 15159447219.

It is not a de Polignac number, because 91274495151 - 2⁶ = 91274495087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91274495151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91274495131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310457320 + ... + 310457613.

It is an arithmetic number, because the mean of its divisors is an integer number (11797383746).

Almost surely, 2^91274495151 is an apocalyptic number.

91274495151 is a deficient number, since it is larger than the sum of its proper divisors (50294109801).

91274495151 is a wasteful number, since it uses less digits than its factorization.

91274495151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620914950 (or 620914943 counting only the distinct ones).

The product of its digits is 453600, while the sum is 48.

The spelling of 91274495151 in words is "ninety-one billion, two hundred seventy-four million, four hundred ninety-five thousand, one hundred fifty-one".