12511434054 has 32 divisors (see below), whose sum is σ = 28601994240. Its totient is φ = 3574141632.

The previous prime is 12511434043. The next prime is 12511434077. The reversal of 12511434054 is 45043411521.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 306682 + ... + 345074.

It is an arithmetic number, because the mean of its divisors is an integer number (893812320).

Almost surely, 2^12511434054 is an apocalyptic number.

12511434054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12511434054 is an abundant number, since it is smaller than the sum of its proper divisors (16090560186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12511434054 is a wasteful number, since it uses less digits than its factorization.

12511434054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46164.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 12511434054 its reverse (45043411521), we get a palindrome (57554845575).

The spelling of 12511434054 in words is "twelve billion, five hundred eleven million, four hundred thirty-four thousand, fifty-four".