261675142214152 has 16 divisors (see below), whose sum is σ = 516464096475600. Its totient is φ = 123951383154000.

The previous prime is 261675142214131. The next prime is 261675142214221. The reversal of 261675142214152 is 251412241576162.

It is a junction number, because it is equal to n+sod(n) for n = 261675142214096 and 261675142214105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860773493974 + ... + 860773494277.

It is an arithmetic number, because the mean of its divisors is an integer number (32279006029725).

Almost surely, 2^{261675142214152} is an apocalyptic number.

It is an amenable number.

261675142214152 is a deficient number, since it is larger than the sum of its proper divisors (254788954261448).

261675142214152 is a wasteful number, since it uses less digits than its factorization.

261675142214152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721546988276 (or 1721546988272 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The spelling of 261675142214152 in words is "two hundred sixty-one trillion, six hundred seventy-five billion, one hundred forty-two million, two hundred fourteen thousand, one hundred fifty-two".