11825347172 has 18 divisors (see below), whose sum is σ = 21383458614. Its totient is φ = 5721940320.

The previous prime is 11825347159. The next prime is 11825347189. The reversal of 11825347172 is 27174352811.

It can be written as a sum of positive squares in only one way, i.e., 11411794276 + 413552896 = 106826^2 + 20336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1534313 + ... + 1542000.

It is an arithmetic number, because the mean of its divisors is an integer number (1187969923).

Almost surely, 2^11825347172 is an apocalyptic number.

It is an amenable number.

11825347172 is a deficient number, since it is larger than the sum of its proper divisors (9558111442).

11825347172 is a wasteful number, since it uses less digits than its factorization.

11825347172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076379 (or 3076346 counting only the distinct ones).

The product of its digits is 94080, while the sum is 41.

Adding to 11825347172 its reverse (27174352811), we get a palindrome (38999699983).

The spelling of 11825347172 in words is "eleven billion, eight hundred twenty-five million, three hundred forty-seven thousand, one hundred seventy-two".