25945533554952 has 32 divisors (see below), whose sum is σ = 70760546059680. Its totient is φ = 7862282895360.

The previous prime is 25945533554947. The next prime is 25945533554953.

25945533554952 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25945533554952² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (25945533554953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49139267833 + ... + 49139268360.

It is an arithmetic number, because the mean of its divisors is an integer number (2211267064365).

Almost surely, 2^{25945533554952} is an apocalyptic number.

25945533554952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25945533554952 is an abundant number, since it is smaller than the sum of its proper divisors (44815012504728).

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

25945533554952 is a wasteful number, since it uses less digits than its factorization.

25945533554952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98278536213 (or 98278536209 counting only the distinct ones).

The product of its digits is 729000000, while the sum is 66.

The spelling of 25945533554952 in words is "twenty-five trillion, nine hundred forty-five billion, five hundred thirty-three million, five hundred fifty-four thousand, nine hundred fifty-two".