25260861055 has 8 divisors (see below), whose sum is σ = 31017987792. Its totient is φ = 19738719168.

The previous prime is 25260861053. The next prime is 25260861077. The reversal of 25260861055 is 55016806252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25260861055 - 2¹ = 25260861053 is a prime.

It is a super-2 number, since 2×25260861055² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25260860999 and 25260861017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25260861053) 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, 58745974 + ... + 58746403.

It is an arithmetic number, because the mean of its divisors is an integer number (3877248474).

Almost surely, 2^25260861055 is an apocalyptic number.

25260861055 is a deficient number, since it is larger than the sum of its proper divisors (5757126737).

25260861055 is a wasteful number, since it uses less digits than its factorization.

25260861055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117492425.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 25260861055 in words is "twenty-five billion, two hundred sixty million, eight hundred sixty-one thousand, fifty-five".