25555555003 has 8 divisors (see below), whose sum is σ = 27925807536. Its totient is φ = 23193139200.

The previous prime is 25555554977. The next prime is 25555555027. The reversal of 25555555003 is 30055555552.

It is a happy number.

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

It is not a de Polignac number, because 25555555003 - 2¹³ = 25555546811 is a prime.

It is a super-2 number, since 2×25555555003² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25555555043) 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, 1952358 + ... + 1965403.

It is an arithmetic number, because the mean of its divisors is an integer number (3490725942).

Almost surely, 2^25555555003 is an apocalyptic number.

25555555003 is a deficient number, since it is larger than the sum of its proper divisors (2370252533).

25555555003 is a wasteful number, since it uses less digits than its factorization.

25555555003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918365.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 25555555003 in words is "twenty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, three".