2054731138225 has 12 divisors (see below), whose sum is σ = 2607119324656. Its totient is φ = 1605557353680.

The previous prime is 2054731138219. The next prime is 2054731138247. The reversal of 2054731138225 is 5228311374502.

It is not a de Polignac number, because 2054731138225 - 2³ = 2054731138217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 955687827 + ... + 955689976.

Almost surely, 2^{2054731138225} is an apocalyptic number.

2054731138225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2054731138225 is a deficient number, since it is larger than the sum of its proper divisors (552388186431).

2054731138225 is a wasteful number, since it uses less digits than its factorization.

2054731138225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911377856 (or 1911377851 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 2054731138225 in words is "two trillion, fifty-four billion, seven hundred thirty-one million, one hundred thirty-eight thousand, two hundred twenty-five".