12151442455 has 16 divisors (see below), whose sum is σ = 15569579520. Its totient is φ = 9082247328.

The previous prime is 12151442437. The next prime is 12151442473. The reversal of 12151442455 is 55424415121.

It is an interprime number because it is at equal distance from previous prime (12151442437) and next prime (12151442473).

It is a cyclic number.

It is not a de Polignac number, because 12151442455 - 2¹¹ = 12151440407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12151442455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1223715 + ... + 1233604.

It is an arithmetic number, because the mean of its divisors is an integer number (973098720).

Almost surely, 2^12151442455 is an apocalyptic number.

12151442455 is a deficient number, since it is larger than the sum of its proper divisors (3418137065).

12151442455 is a wasteful number, since it uses less digits than its factorization.

12151442455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457390.

The product of its digits is 32000, while the sum is 34.

Adding to 12151442455 its reverse (55424415121), we get a palindrome (67575857576).

The spelling of 12151442455 in words is "twelve billion, one hundred fifty-one million, four hundred forty-two thousand, four hundred fifty-five".