2561671474122 has 32 divisors (see below), whose sum is σ = 5346631255680. Its totient is φ = 816683193920.

The previous prime is 2561671474079. The next prime is 2561671474123. The reversal of 2561671474122 is 2214741761652.

2561671474122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2561671474123) 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, 465904 + ... + 2310932.

It is an arithmetic number, because the mean of its divisors is an integer number (167082226740).

Almost surely, 2^{2561671474122} is an apocalyptic number.

2561671474122 is an abundant number, since it is smaller than the sum of its proper divisors (2784959781558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2561671474122 is a wasteful number, since it uses less digits than its factorization.

2561671474122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855118.

The product of its digits is 1128960, while the sum is 48.

The spelling of 2561671474122 in words is "two trillion, five hundred sixty-one billion, six hundred seventy-one million, four hundred seventy-four thousand, one hundred twenty-two".