25454155145452 has 12 divisors (see below), whose sum is σ = 48594296186856. Its totient is φ = 11570070520640.

The previous prime is 25454155145449. The next prime is 25454155145459.

25454155145452 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25454155145452.

It is not an unprimeable number, because it can be changed into a prime (25454155145459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289251762973 + ... + 289251763060.

It is an arithmetic number, because the mean of its divisors is an integer number (4049524682238).

Almost surely, 2^{25454155145452} is an apocalyptic number.

25454155145452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25454155145452 is a deficient number, since it is larger than the sum of its proper divisors (23140141041404).

25454155145452 is a wasteful number, since it uses less digits than its factorization.

25454155145452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578503526048 (or 578503526046 counting only the distinct ones).

The product of its digits is 16000000, while the sum is 52.

The spelling of 25454155145452 in words is "twenty-five trillion, four hundred fifty-four billion, one hundred fifty-five million, one hundred forty-five thousand, four hundred fifty-two".