49806517911 has 8 divisors (see below), whose sum is σ = 66410154624. Its totient is φ = 33203613240.

The previous prime is 49806517897. The next prime is 49806517931. The reversal of 49806517911 is 11971560894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49806517911 - 2⁶ = 49806517847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49806517931) 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 7 ways as a sum of consecutive naturals, for example, 2656 + ... + 315626.

It is an arithmetic number, because the mean of its divisors is an integer number (8301269328).

Almost surely, 2^49806517911 is an apocalyptic number.

49806517911 is a deficient number, since it is larger than the sum of its proper divisors (16603636713).

49806517911 is a wasteful number, since it uses less digits than its factorization.

49806517911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366021.

The product of its (nonzero) digits is 544320, while the sum is 51.

The spelling of 49806517911 in words is "forty-nine billion, eight hundred six million, five hundred seventeen thousand, nine hundred eleven".