25543120053 has 16 divisors (see below), whose sum is σ = 37762708032. Its totient is φ = 15226896000.

The previous prime is 25543120037. The next prime is 25543120081. The reversal of 25543120053 is 35002134552.

It is not a de Polignac number, because 25543120053 - 2⁴ = 25543120037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25543120053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25543120093) 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, 6342528 + ... + 6346553.

It is an arithmetic number, because the mean of its divisors is an integer number (2360169252).

Almost surely, 2^25543120053 is an apocalyptic number.

It is an amenable number.

25543120053 is a deficient number, since it is larger than the sum of its proper divisors (12219587979).

25543120053 is a wasteful number, since it uses less digits than its factorization.

25543120053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12689156.

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 25543120053 in words is "twenty-five billion, five hundred forty-three million, one hundred twenty thousand, fifty-three".