25533012130 has 16 divisors (see below), whose sum is σ = 48662917560. Its totient is φ = 9612428032.

The previous prime is 25533012101. The next prime is 25533012137. The reversal of 25533012130 is 3121033552.

It can be written as a sum of positive squares in 4 ways, for example, as 18396310689 + 7136701441 = 135633^2 + 84479^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25533012095 and 25533012104.

It is not an unprimeable number, because it can be changed into a prime (25533012137) 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, 75096925 + ... + 75097264.

Almost surely, 2^25533012130 is an apocalyptic number.

25533012130 is a deficient number, since it is larger than the sum of its proper divisors (23129905430).

25533012130 is a wasteful number, since it uses less digits than its factorization.

25533012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150194213.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 25533012130 its reverse (3121033552), we get a palindrome (28654045682).

The spelling of 25533012130 in words is "twenty-five billion, five hundred thirty-three million, twelve thousand, one hundred thirty".