12451155575 has 24 divisors (see below), whose sum is σ = 15681104976. Its totient is φ = 9805536000.

The previous prime is 12451155571. The next prime is 12451155583. The reversal of 12451155575 is 57555115421.

It is not a de Polignac number, because 12451155575 - 2² = 12451155571 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451155571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 981020 + ... + 993630.

It is an arithmetic number, because the mean of its divisors is an integer number (653379374).

Almost surely, 2^12451155575 is an apocalyptic number.

12451155575 is a deficient number, since it is larger than the sum of its proper divisors (3229949401).

12451155575 is a wasteful number, since it uses less digits than its factorization.

12451155575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13235 (or 13230 counting only the distinct ones).

The product of its digits is 175000, while the sum is 41.

The spelling of 12451155575 in words is "twelve billion, four hundred fifty-one million, one hundred fifty-five thousand, five hundred seventy-five".