121095756169490 has 16 divisors (see below), whose sum is σ = 218008647605952. Its totient is φ = 48430238800944.

The previous prime is 121095756169481. The next prime is 121095756169519. The reversal of 121095756169490 is 94961657590121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007895284 + ... + 1008015423.

It is an arithmetic number, because the mean of its divisors is an integer number (13625540475372).

Almost surely, 2^{121095756169490} is an apocalyptic number.

121095756169490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121095756169490 is a deficient number, since it is larger than the sum of its proper divisors (96912891436462).

121095756169490 is a wasteful number, since it uses less digits than its factorization.

121095756169490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015916721.

The product of its (nonzero) digits is 36741600, while the sum is 65.

The spelling of 121095756169490 in words is "one hundred twenty-one trillion, ninety-five billion, seven hundred fifty-six million, one hundred sixty-nine thousand, four hundred ninety".