91510632952 has 16 divisors (see below), whose sum is σ = 171610949160. Its totient is φ = 45747713184.

The previous prime is 91510632947. The next prime is 91510632989. The reversal of 91510632952 is 25923601519.

It is a junction number, because it is equal to n+sod(n) for n = 91510632899 and 91510632908.

It is a congruent number.

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, 899098 + ... + 995689.

Almost surely, 2^91510632952 is an apocalyptic number.

It is an amenable number.

91510632952 is a deficient number, since it is larger than the sum of its proper divisors (80100316208).

91510632952 is a wasteful number, since it uses less digits than its factorization.

91510632952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900830 (or 1900826 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 91510632952 in words is "ninety-one billion, five hundred ten million, six hundred thirty-two thousand, nine hundred fifty-two".