91060411886 has 4 divisors (see below), whose sum is σ = 136590617832. Its totient is φ = 45530205942.

The previous prime is 91060411877. The next prime is 91060411891. The reversal of 91060411886 is 68811406019.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68811406019 = 7649 ⋅8996131.

It is a super-2 number, since 2×91060411886² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22765102970 + ... + 22765102973.

It is an arithmetic number, because the mean of its divisors is an integer number (34147654458).

Almost surely, 2^91060411886 is an apocalyptic number.

91060411886 is a deficient number, since it is larger than the sum of its proper divisors (45530205946).

91060411886 is a wasteful number, since it uses less digits than its factorization.

91060411886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45530205945.

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 91060411886 in words is "ninety-one billion, sixty million, four hundred eleven thousand, eight hundred eighty-six".