91355632252 has 6 divisors (see below), whose sum is σ = 159872356448. Its totient is φ = 45677816124.

The previous prime is 91355632243. The next prime is 91355632261. The reversal of 91355632252 is 25223655319.

It is an interprime number because it is at equal distance from previous prime (91355632243) and next prime (91355632261).

It is a junction number, because it is equal to n+sod(n) for n = 91355632199 and 91355632208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11419454028 + ... + 11419454035.

Almost surely, 2^91355632252 is an apocalyptic number.

It is an amenable number.

91355632252 is a deficient number, since it is larger than the sum of its proper divisors (68516724196).

91355632252 is a wasteful number, since it uses less digits than its factorization.

91355632252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22838908067 (or 22838908065 counting only the distinct ones).

The product of its digits is 486000, while the sum is 43.

The spelling of 91355632252 in words is "ninety-one billion, three hundred fifty-five million, six hundred thirty-two thousand, two hundred fifty-two".