121150517250501 has 8 divisors (see below), whose sum is σ = 179482247778560. Its totient is φ = 80767011500316.

The previous prime is 121150517250481. The next prime is 121150517250541. The reversal of 121150517250501 is 105052715051121.

121150517250501 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 50 + 51 + 7 + 2 + 50 + 501 = 666.

It is not a de Polignac number, because 121150517250501 - 2⁴² = 116752470739397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121150517250541) 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, 2243528097205 + ... + 2243528097258.

It is an arithmetic number, because the mean of its divisors is an integer number (22435280972320).

Almost surely, 2^{121150517250501} is an apocalyptic number.

It is an amenable number.

121150517250501 is a deficient number, since it is larger than the sum of its proper divisors (58331730528059).

121150517250501 is an equidigital number, since it uses as much as digits as its factorization.

121150517250501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487056194472 (or 4487056194466 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 36.

The spelling of 121150517250501 in words is "one hundred twenty-one trillion, one hundred fifty billion, five hundred seventeen million, two hundred fifty thousand, five hundred one".