121053152055 has 16 divisors (see below), whose sum is σ = 211292774784. Its totient is φ = 58692437280.

The previous prime is 121053152047. The next prime is 121053152071. The reversal of 121053152055 is 550251350121.

It is not a de Polignac number, because 121053152055 - 2³ = 121053152047 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 366827569 + ... + 366827898.

It is an arithmetic number, because the mean of its divisors is an integer number (13205798424).

Almost surely, 2^121053152055 is an apocalyptic number.

121053152055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121053152055 is a deficient number, since it is larger than the sum of its proper divisors (90239622729).

121053152055 is a wasteful number, since it uses less digits than its factorization.

121053152055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733655486.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 121053152055 in words is "one hundred twenty-one billion, fifty-three million, one hundred fifty-two thousand, fifty-five".