2045551154120 has 16 divisors (see below), whose sum is σ = 4602490096860. Its totient is φ = 818220461632.

The previous prime is 2045551154111. The next prime is 2045551154167. The reversal of 2045551154120 is 214511555402.

It can be written as a sum of positive squares in 2 ways, for example, as 1903743176644 + 141807977476 = 1379762^2 + 376574^2 .

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 3 ways as a sum of consecutive naturals, for example, 25569389387 + ... + 25569389466.

Almost surely, 2^{2045551154120} is an apocalyptic number.

2045551154120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045551154120 is an abundant number, since it is smaller than the sum of its proper divisors (2556938942740).

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

2045551154120 is a wasteful number, since it uses less digits than its factorization.

2045551154120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51138778864 (or 51138778860 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 2045551154120 in words is "two trillion, forty-five billion, five hundred fifty-one million, one hundred fifty-four thousand, one hundred twenty".