9121157908546 has 8 divisors (see below), whose sum is σ = 13681756014480. Its totient is φ = 4560572570388.

The previous prime is 9121157908519. The next prime is 9121157908559. The reversal of 9121157908546 is 6458097511219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142896 + ... + 4421371.

It is an arithmetic number, because the mean of its divisors is an integer number (1710219501810).

Almost surely, 2^{9121157908546} is an apocalyptic number.

9121157908546 is a deficient number, since it is larger than the sum of its proper divisors (4560598105934).

9121157908546 is a wasteful number, since it uses less digits than its factorization.

9121157908546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383888.

The product of its (nonzero) digits is 5443200, while the sum is 58.

The spelling of 9121157908546 in words is "nine trillion, one hundred twenty-one billion, one hundred fifty-seven million, nine hundred eight thousand, five hundred forty-six".