121755413711 has 8 divisors (see below), whose sum is σ = 128171107200. Its totient is φ = 115340471640.

The previous prime is 121755413701. The next prime is 121755413713. The reversal of 121755413711 is 117314557121.

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 121755413711 - 2³⁴ = 104575544527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121755413713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161420 + ... + 519198.

It is an arithmetic number, because the mean of its divisors is an integer number (16021388400).

Almost surely, 2^121755413711 is an apocalyptic number.

121755413711 is a deficient number, since it is larger than the sum of its proper divisors (6415693489).

121755413711 is a wasteful number, since it uses less digits than its factorization.

121755413711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375709.

The product of its digits is 29400, while the sum is 38.

The spelling of 121755413711 in words is "one hundred twenty-one billion, seven hundred fifty-five million, four hundred thirteen thousand, seven hundred eleven".