12511203054 has 32 divisors (see below), whose sum is σ = 29294528256. Its totient is φ = 3487442880.

The previous prime is 12511203041. The next prime is 12511203083. The reversal of 12511203054 is 45030211521.

It is a happy number.

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, 3631032 + ... + 3634475.

It is an arithmetic number, because the mean of its divisors is an integer number (915454008).

Almost surely, 2^12511203054 is an apocalyptic number.

12511203054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12511203054 is an abundant number, since it is smaller than the sum of its proper divisors (16783325202).

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

12511203054 is a wasteful number, since it uses less digits than its factorization.

12511203054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7265560.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 12511203054 its reverse (45030211521), we get a palindrome (57541414575).

The spelling of 12511203054 in words is "twelve billion, five hundred eleven million, two hundred three thousand, fifty-four".