121755673675 has 12 divisors (see below), whose sum is σ = 151018209216. Its totient is φ = 97377975200.

The previous prime is 121755673621. The next prime is 121755673681. The reversal of 121755673675 is 576376557121.

It is a de Polignac number, because none of the positive numbers 2^k-121755673675 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 570331 + ... + 754180.

It is an arithmetic number, because the mean of its divisors is an integer number (12584850768).

Almost surely, 2^121755673675 is an apocalyptic number.

121755673675 is a deficient number, since it is larger than the sum of its proper divisors (29262535541).

121755673675 is a wasteful number, since it uses less digits than its factorization.

121755673675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328198 (or 1328193 counting only the distinct ones).

The product of its digits is 9261000, while the sum is 55.

The spelling of 121755673675 in words is "one hundred twenty-one billion, seven hundred fifty-five million, six hundred seventy-three thousand, six hundred seventy-five".