25533481046 has 4 divisors (see below), whose sum is σ = 38300221572. Its totient is φ = 12766740522.

The previous prime is 25533481019. The next prime is 25533481067. The reversal of 25533481046 is 64018433552.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 25533480994 and 25533481012.

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, 6383370260 + ... + 6383370263.

It is an arithmetic number, because the mean of its divisors is an integer number (9575055393).

Almost surely, 2^25533481046 is an apocalyptic number.

25533481046 is a deficient number, since it is larger than the sum of its proper divisors (12766740526).

25533481046 is a wasteful number, since it uses less digits than its factorization.

25533481046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12766740525.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 25533481046 in words is "twenty-five billion, five hundred thirty-three million, four hundred eighty-one thousand, forty-six".