2054511156552 has 64 divisors (see below), whose sum is σ = 5359799393280. Its totient is φ = 655036464192.

The previous prime is 2054511156521. The next prime is 2054511156559. The reversal of 2054511156552 is 2556511154502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2054511156559) 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, 18982863 + ... + 19090785.

It is an arithmetic number, because the mean of its divisors is an integer number (83746865520).

Almost surely, 2^{2054511156552} is an apocalyptic number.

It is an amenable number.

2054511156552 is an abundant number, since it is smaller than the sum of its proper divisors (3305288236728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2054511156552 is a wasteful number, since it uses less digits than its factorization.

2054511156552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142442 (or 142438 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 42.

The spelling of 2054511156552 in words is "two trillion, fifty-four billion, five hundred eleven million, one hundred fifty-six thousand, five hundred fifty-two".