1121057500555 has 16 divisors (see below), whose sum is σ = 1424552129280. Its totient is φ = 844555881312.

The previous prime is 1121057500529. The next prime is 1121057500559. The reversal of 1121057500555 is 5550057501211.

It is a cyclic number.

It is not a de Polignac number, because 1121057500555 - 2¹⁷ = 1121057369483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121057500559) 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 15 ways as a sum of consecutive naturals, for example, 35315289 + ... + 35347018.

It is an arithmetic number, because the mean of its divisors is an integer number (89034508080).

Almost surely, 2^{1121057500555} is an apocalyptic number.

1121057500555 is a deficient number, since it is larger than the sum of its proper divisors (303494628725).

1121057500555 is a wasteful number, since it uses less digits than its factorization.

1121057500555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70662498.

The product of its (nonzero) digits is 43750, while the sum is 37.

The spelling of 1121057500555 in words is "one trillion, one hundred twenty-one billion, fifty-seven million, five hundred thousand, five hundred fifty-five".