12315511441 has 8 divisors (see below), whose sum is σ = 12343030784. Its totient is φ = 12288017520.

The previous prime is 12315511423. The next prime is 12315511463. The reversal of 12315511441 is 14411551321.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12315511441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12315511421) 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, 1212976 + ... + 1223086.

It is an arithmetic number, because the mean of its divisors is an integer number (1542878848).

Almost surely, 2^12315511441 is an apocalyptic number.

It is an amenable number.

12315511441 is a deficient number, since it is larger than the sum of its proper divisors (27519343).

12315511441 is a wasteful number, since it uses less digits than its factorization.

12315511441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12711.

The product of its digits is 2400, while the sum is 28.

The spelling of 12315511441 in words is "twelve billion, three hundred fifteen million, five hundred eleven thousand, four hundred forty-one".