25115402003 has 8 divisors (see below), whose sum is σ = 25169093568. Its totient is φ = 25061768424.

The previous prime is 25115401973. The next prime is 25115402009. The reversal of 25115402003 is 30020451152.

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 25115402003 - 2¹² = 25115397907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25115402003.

It is not an unprimeable number, because it can be changed into a prime (25115402009) 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, 915200 + ... + 942242.

It is an arithmetic number, because the mean of its divisors is an integer number (3146136696).

Almost surely, 2^25115402003 is an apocalyptic number.

25115402003 is a deficient number, since it is larger than the sum of its proper divisors (53691565).

25115402003 is a wasteful number, since it uses less digits than its factorization.

25115402003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28993.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 25115402003 its reverse (30020451152), we get a palindrome (55135853155).

The spelling of 25115402003 in words is "twenty-five billion, one hundred fifteen million, four hundred two thousand, three".