121755514606 has 32 divisors (see below), whose sum is σ = 200877143040. Its totient is φ = 54888451200.

The previous prime is 121755514597. The next prime is 121755514607. The reversal of 121755514606 is 606415557121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121755514607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3010390 + ... + 3050566.

It is an arithmetic number, because the mean of its divisors is an integer number (6277410720).

Almost surely, 2^121755514606 is an apocalyptic number.

121755514606 is a deficient number, since it is larger than the sum of its proper divisors (79121628434).

121755514606 is a wasteful number, since it uses less digits than its factorization.

121755514606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41320.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 121755514606 in words is "one hundred twenty-one billion, seven hundred fifty-five million, five hundred fourteen thousand, six hundred six".