2155505546332 has 24 divisors (see below), whose sum is σ = 3775999731840. Its totient is φ = 1076648664000.

The previous prime is 2155505546329. The next prime is 2155505546339. The reversal of 2155505546332 is 2336455055512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155505546339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94731957 + ... + 94754707.

It is an arithmetic number, because the mean of its divisors is an integer number (157333322160).

Almost surely, 2^{2155505546332} is an apocalyptic number.

It is an amenable number.

2155505546332 is a deficient number, since it is larger than the sum of its proper divisors (1620494185508).

2155505546332 is a wasteful number, since it uses less digits than its factorization.

2155505546332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45981 (or 45979 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 46.

The spelling of 2155505546332 in words is "two trillion, one hundred fifty-five billion, five hundred five million, five hundred forty-six thousand, three hundred thirty-two".