121350086551 has 8 divisors (see below), whose sum is σ = 125988683904. Its totient is φ = 116756744160.

The previous prime is 121350086513. The next prime is 121350086573. The reversal of 121350086551 is 155680053121.

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 121350086551 - 2¹³ = 121350078359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121350086551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121350086581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11308276 + ... + 11319001.

It is an arithmetic number, because the mean of its divisors is an integer number (15748585488).

Almost surely, 2^121350086551 is an apocalyptic number.

121350086551 is a deficient number, since it is larger than the sum of its proper divisors (4638597353).

121350086551 is a wasteful number, since it uses less digits than its factorization.

121350086551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22627481.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 121350086551 in words is "one hundred twenty-one billion, three hundred fifty million, eighty-six thousand, five hundred fifty-one".