121761233255 has 8 divisors (see below), whose sum is σ = 146123276832. Its totient is φ = 97402455328.

The previous prime is 121761233219. The next prime is 121761233287. The reversal of 121761233255 is 552332167121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121761233255 - 2¹⁰ = 121761232231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733619 + ... + 884148.

It is an arithmetic number, because the mean of its divisors is an integer number (18265409604).

Almost surely, 2^121761233255 is an apocalyptic number.

121761233255 is a deficient number, since it is larger than the sum of its proper divisors (24362043577).

121761233255 is a wasteful number, since it uses less digits than its factorization.

121761233255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632825.

The product of its digits is 75600, while the sum is 38.

The spelling of 121761233255 in words is "one hundred twenty-one billion, seven hundred sixty-one million, two hundred thirty-three thousand, two hundred fifty-five".