261534370114132 has 18 divisors (see below), whose sum is σ = 486191489081102. Its totient is φ = 123074997700224.

The previous prime is 261534370114093. The next prime is 261534370114133. The reversal of 261534370114132 is 231411073435162.

It can be written as a sum of positive squares in 3 ways, for example, as 174892266899856 + 86642103214276 = 13224684^2 + 9308174^2 .

It is a super-2 number, since 2×261534370114132² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261534370114133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113120401143 + ... + 113120403454.

Almost surely, 2^{261534370114132} is an apocalyptic number.

It is an amenable number.

261534370114132 is a deficient number, since it is larger than the sum of its proper divisors (224657118966970).

261534370114132 is a wasteful number, since it uses less digits than its factorization.

261534370114132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226240804635 (or 226240804616 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 261534370114132 in words is "two hundred sixty-one trillion, five hundred thirty-four billion, three hundred seventy million, one hundred fourteen thousand, one hundred thirty-two".