261430613700054 has 16 divisors (see below), whose sum is σ = 522883756061040. Its totient is φ = 87139783123200.

The previous prime is 261430613700041. The next prime is 261430613700071. The reversal of 261430613700054 is 450007316034162.

It is a super-3 number, since 3×261430613700054³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 261430613699979 and 261430613700015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938543347 + ... + 938821854.

It is an arithmetic number, because the mean of its divisors is an integer number (32680234753815).

Almost surely, 2^{261430613700054} is an apocalyptic number.

261430613700054 is an abundant number, since it is smaller than the sum of its proper divisors (261453142360986).

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

261430613700054 is a wasteful number, since it uses less digits than its factorization.

261430613700054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877388415.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 261430613700054 in words is "two hundred sixty-one trillion, four hundred thirty billion, six hundred thirteen million, seven hundred thousand, fifty-four".