25653622543064 has 8 divisors (see below), whose sum is σ = 48100542268260. Its totient is φ = 12826811271528.

The previous prime is 25653622543063. The next prime is 25653622543069. The reversal of 25653622543064 is 46034522635652.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 25653622542997 and 25653622543015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25653622543061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603351408934 + ... + 1603351408949.

Almost surely, 2^{25653622543064} is an apocalyptic number.

It is an amenable number.

25653622543064 is a deficient number, since it is larger than the sum of its proper divisors (22446919725196).

25653622543064 is a wasteful number, since it uses less digits than its factorization.

25653622543064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206702817889 (or 3206702817885 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 53.

The spelling of 25653622543064 in words is "twenty-five trillion, six hundred fifty-three billion, six hundred twenty-two million, five hundred forty-three thousand, sixty-four".