261262336056150 has 96 divisors (see below), whose sum is σ = 761205172750848. Its totient is φ = 58464298972800.

The previous prime is 261262336056133. The next prime is 261262336056221. The reversal of 261262336056150 is 51650633262162.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 261262336056150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6090009694 + ... + 6090052593.

It is an arithmetic number, because the mean of its divisors is an integer number (7929220549488).

Almost surely, 2^{261262336056150} is an apocalyptic number.

261262336056150 is an abundant number, since it is smaller than the sum of its proper divisors (499942836694698).

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

261262336056150 is a wasteful number, since it uses less digits than its factorization.

261262336056150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180062326 (or 12180062321 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 261262336056150 in words is "two hundred sixty-one trillion, two hundred sixty-two billion, three hundred thirty-six million, fifty-six thousand, one hundred fifty".