12505141551 has 16 divisors (see below), whose sum is σ = 19414992384. Its totient is φ = 7010968224.

The previous prime is 12505141547. The next prime is 12505141609. The reversal of 12505141551 is 15514150521.

It is not a de Polignac number, because 12505141551 - 2² = 12505141547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505141751) 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 15 ways as a sum of consecutive naturals, for example, 5616651 + ... + 5618876.

It is an arithmetic number, because the mean of its divisors is an integer number (1213437024).

Almost surely, 2^12505141551 is an apocalyptic number.

12505141551 is a deficient number, since it is larger than the sum of its proper divisors (6909850833).

12505141551 is a wasteful number, since it uses less digits than its factorization.

12505141551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11235590.

The product of its (nonzero) digits is 5000, while the sum is 30.

The spelling of 12505141551 in words is "twelve billion, five hundred five million, one hundred forty-one thousand, five hundred fifty-one".