25511956048 has 10 divisors (see below), whose sum is σ = 49429414874. Its totient is φ = 12755978016.

The previous prime is 25511956037. The next prime is 25511956069. The reversal of 25511956048 is 84065911552.

It can be written as a sum of positive squares in only one way, i.e., 16198161984 + 9313794064 = 127272^2 + 96508^2 .

It is a super-4 number, since 4×25511956048⁴ (a number of 43 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25511955989 and 25511956007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797248611 + ... + 797248642.

Almost surely, 2^25511956048 is an apocalyptic number.

It is an amenable number.

25511956048 is a deficient number, since it is larger than the sum of its proper divisors (23917458826).

25511956048 is a wasteful number, since it uses less digits than its factorization.

25511956048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594497261 (or 1594497255 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 46.

The spelling of 25511956048 in words is "twenty-five billion, five hundred eleven million, nine hundred fifty-six thousand, forty-eight".