25380011556045 has 48 divisors (see below), whose sum is σ = 45433839360000. Its totient is φ = 13092806407680.

The previous prime is 25380011556037. The next prime is 25380011556049. The reversal of 25380011556045 is 54065511008352.

25380011556045 is a `hidden beast` number, since 2 + 5 + 3 + 80 + 0 + 1 + 1 + 5 + 560 + 4 + 5 = 666.

It is not a de Polignac number, because 25380011556045 - 2³ = 25380011556037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25380011556049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1762060 + ... + 7339269.

It is an arithmetic number, because the mean of its divisors is an integer number (946538320000).

Almost surely, 2^{25380011556045} is an apocalyptic number.

It is an amenable number.

25380011556045 is a deficient number, since it is larger than the sum of its proper divisors (20053827803955).

25380011556045 is a wasteful number, since it uses less digits than its factorization.

25380011556045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103370 (or 9103367 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 25380011556045 in words is "twenty-five trillion, three hundred eighty billion, eleven million, five hundred fifty-six thousand, forty-five".