25453011534 has 32 divisors (see below), whose sum is σ = 53593935360. Its totient is φ = 8036496000.

The previous prime is 25453011523. The next prime is 25453011587. The reversal of 25453011534 is 43511035452.

It is a super-2 number, since 2×25453011534² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25453011495 and 25453011504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892374 + ... + 920454.

It is an arithmetic number, because the mean of its divisors is an integer number (1674810480).

Almost surely, 2^25453011534 is an apocalyptic number.

25453011534 is an abundant number, since it is smaller than the sum of its proper divisors (28140923826).

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

25453011534 is a wasteful number, since it uses less digits than its factorization.

25453011534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36056.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 25453011534 its reverse (43511035452), we get a palindrome (68964046986).

The spelling of 25453011534 in words is "twenty-five billion, four hundred fifty-three million, eleven thousand, five hundred thirty-four".