11512203425 has 12 divisors (see below), whose sum is σ = 14276894256. Its totient is φ = 9208626000.

The previous prime is 11512203419. The next prime is 11512203427. The reversal of 11512203425 is 52430221511.

It is not a de Polignac number, because 11512203425 - 2¹² = 11512199329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11512203394 and 11512203403.

It is not an unprimeable number, because it can be changed into a prime (11512203427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221150 + ... + 268200.

It is an arithmetic number, because the mean of its divisors is an integer number (1189741188).

Almost surely, 2^11512203425 is an apocalyptic number.

It is an amenable number.

11512203425 is a deficient number, since it is larger than the sum of its proper divisors (2764690831).

11512203425 is an equidigital number, since it uses as much as digits as its factorization.

11512203425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56848 (or 56843 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11512203425 its reverse (52430221511), we get a palindrome (63942424936).

The spelling of 11512203425 in words is "eleven billion, five hundred twelve million, two hundred three thousand, four hundred twenty-five".