11512481255 has 8 divisors (see below), whose sum is σ = 15070884624. Its totient is φ = 8372713600.

The previous prime is 11512481213. The next prime is 11512481257. The reversal of 11512481255 is 55218421511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11512481255 - 2⁸ = 11512480999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512481257) 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, 104658866 + ... + 104658975.

It is an arithmetic number, because the mean of its divisors is an integer number (1883860578).

Almost surely, 2^11512481255 is an apocalyptic number.

11512481255 is a deficient number, since it is larger than the sum of its proper divisors (3558403369).

11512481255 is a wasteful number, since it uses less digits than its factorization.

11512481255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209317857.

The product of its digits is 16000, while the sum is 35.

The spelling of 11512481255 in words is "eleven billion, five hundred twelve million, four hundred eighty-one thousand, two hundred fifty-five".