2112254511555 has 16 divisors (see below), whose sum is σ = 3379630383360. Its totient is φ = 1126528017888.

The previous prime is 2112254511533. The next prime is 2112254511559. The reversal of 2112254511555 is 5551154522112.

It is not a de Polignac number, because 2112254511555 - 2⁶ = 2112254511491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112254511559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2294116 + ... + 3080174.

It is an arithmetic number, because the mean of its divisors is an integer number (211226898960).

Almost surely, 2^{2112254511555} is an apocalyptic number.

2112254511555 is a deficient number, since it is larger than the sum of its proper divisors (1267375871805).

2112254511555 is a wasteful number, since it uses less digits than its factorization.

2112254511555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965210.

The product of its digits is 100000, while the sum is 39.

The spelling of 2112254511555 in words is "two trillion, one hundred twelve billion, two hundred fifty-four million, five hundred eleven thousand, five hundred fifty-five".