49185695911 has 4 divisors (see below), whose sum is σ = 53657122824. Its totient is φ = 44714269000.

The previous prime is 49185695887. The next prime is 49185695939. The reversal of 49185695911 is 11959658194.

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

It is a cyclic number.

It is not a de Polignac number, because 49185695911 - 2¹⁷ = 49185564839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49185695411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235713440 + ... + 2235713461.

It is an arithmetic number, because the mean of its divisors is an integer number (13414280706).

Almost surely, 2^49185695911 is an apocalyptic number.

49185695911 is a deficient number, since it is larger than the sum of its proper divisors (4471426913).

49185695911 is a wasteful number, since it uses less digits than its factorization.

49185695911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471426912.

The product of its digits is 3499200, while the sum is 58.

The spelling of 49185695911 in words is "forty-nine billion, one hundred eighty-five million, six hundred ninety-five thousand, nine hundred eleven".