49561205011 has 4 divisors (see below), whose sum is σ = 50259250224. Its totient is φ = 48863159800.

The previous prime is 49561205003. The next prime is 49561205053. The reversal of 49561205011 is 11050216594.

It is a happy number.

49561205011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49561205011 - 2³ = 49561205003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49561205411) 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, 349022500 + ... + 349022641.

It is an arithmetic number, because the mean of its divisors is an integer number (12564812556).

Almost surely, 2^49561205011 is an apocalyptic number.

49561205011 is a deficient number, since it is larger than the sum of its proper divisors (698045213).

49561205011 is an equidigital number, since it uses as much as digits as its factorization.

49561205011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698045212.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 49561205011 in words is "forty-nine billion, five hundred sixty-one million, two hundred five thousand, eleven".