25354166145352 has 32 divisors (see below), whose sum is σ = 52026483883680. Its totient is φ = 11487801087360.

The previous prime is 25354166145349. The next prime is 25354166145403.

25354166145352 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25354166145352² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25354166145352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460220898 + ... + 460275985.

It is an arithmetic number, because the mean of its divisors is an integer number (1625827621365).

Almost surely, 2^{25354166145352} is an apocalyptic number.

25354166145352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25354166145352 is an abundant number, since it is smaller than the sum of its proper divisors (26672317738328).

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

25354166145352 is a wasteful number, since it uses less digits than its factorization.

25354166145352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920497213 (or 920497209 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 52.

The spelling of 25354166145352 in words is "twenty-five trillion, three hundred fifty-four billion, one hundred sixty-six million, one hundred forty-five thousand, three hundred fifty-two".