25100477412 has 12 divisors (see below), whose sum is σ = 58567780656. Its totient is φ = 8366825800.

The previous prime is 25100477411. The next prime is 25100477429. The reversal of 25100477412 is 21477400152.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (25100477411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045853214 + ... + 1045853237.

It is an arithmetic number, because the mean of its divisors is an integer number (4880648388).

Almost surely, 2^25100477412 is an apocalyptic number.

It is an amenable number.

25100477412 is an abundant number, since it is smaller than the sum of its proper divisors (33467303244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25100477412 is a wasteful number, since it uses less digits than its factorization.

25100477412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091706458 (or 2091706456 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

Adding to 25100477412 its reverse (21477400152), we get a palindrome (46577877564).

The spelling of 25100477412 in words is "twenty-five billion, one hundred million, four hundred seventy-seven thousand, four hundred twelve".