49209275811 has 16 divisors (see below), whose sum is σ = 69598963584. Its totient is φ = 30819944064.

The previous prime is 49209275771. The next prime is 49209275827. The reversal of 49209275811 is 11857290294.

It is a happy number.

It is not a de Polignac number, because 49209275811 - 2⁶ = 49209275747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49209275911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854085 + ... + 909878.

It is an arithmetic number, because the mean of its divisors is an integer number (4349935224).

Almost surely, 2^49209275811 is an apocalyptic number.

49209275811 is a deficient number, since it is larger than the sum of its proper divisors (20389687773).

49209275811 is a wasteful number, since it uses less digits than its factorization.

49209275811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764530.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 49209275811 in words is "forty-nine billion, two hundred nine million, two hundred seventy-five thousand, eight hundred eleven".