261410451055 has 32 divisors (see below), whose sum is σ = 354356674560. Its totient is φ = 183681505920.

The previous prime is 261410451037. The next prime is 261410451061. The reversal of 261410451055 is 550154014162.

It is not a de Polignac number, because 261410451055 - 2¹¹ = 261410449007 is a prime.

It is a super-2 number, since 2×261410451055² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 261410451055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172195 + ... + 743284.

It is an arithmetic number, because the mean of its divisors is an integer number (11073646080).

Almost surely, 2^261410451055 is an apocalyptic number.

261410451055 is a deficient number, since it is larger than the sum of its proper divisors (92946223505).

261410451055 is a wasteful number, since it uses less digits than its factorization.

261410451055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915711.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 261410451055 in words is "two hundred sixty-one billion, four hundred ten million, four hundred fifty-one thousand, fifty-five".