13551739125 has 128 divisors (see below), whose sum is σ = 25188433920. Its totient is φ = 6438528000.

The previous prime is 13551739073. The next prime is 13551739129. The reversal of 13551739125 is 52193715531.

It is a happy number.

It is not a de Polignac number, because 13551739125 - 2⁷ = 13551738997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551739129) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9287646 + ... + 9289104.

It is an arithmetic number, because the mean of its divisors is an integer number (196784640).

Almost surely, 2^13551739125 is an apocalyptic number.

13551739125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13551739125 is a deficient number, since it is larger than the sum of its proper divisors (11636694795).

13551739125 is a wasteful number, since it uses less digits than its factorization.

13551739125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1562 counting only the distinct ones).

The product of its digits is 141750, while the sum is 42.

The spelling of 13551739125 in words is "thirteen billion, five hundred fifty-one million, seven hundred thirty-nine thousand, one hundred twenty-five".