49186065911 has 4 divisors (see below), whose sum is σ = 49191101352. Its totient is φ = 49181030472.

The previous prime is 49186065857. The next prime is 49186065919. The reversal of 49186065911 is 11956068194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49186065911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49186065911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49186065919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2503040 + ... + 2522613.

It is an arithmetic number, because the mean of its divisors is an integer number (12297775338).

Almost surely, 2^49186065911 is an apocalyptic number.

49186065911 is a deficient number, since it is larger than the sum of its proper divisors (5035441).

49186065911 is an equidigital number, since it uses as much as digits as its factorization.

49186065911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035440.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 49186065911 in words is "forty-nine billion, one hundred eighty-six million, sixty-five thousand, nine hundred eleven".