515542325149 has 16 divisors (see below), whose sum is σ = 532211097600. Its totient is φ = 499195360944.

The previous prime is 515542325131. The next prime is 515542325171. The reversal of 515542325149 is 941523245515.

It is a cyclic number.

It is not a de Polignac number, because 515542325149 - 2⁷ = 515542325021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 515542325099 and 515542325108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515542322149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794034 + ... + 1289020.

It is an arithmetic number, because the mean of its divisors is an integer number (33263193600).

Almost surely, 2^515542325149 is an apocalyptic number.

515542325149 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

515542325149 is a deficient number, since it is larger than the sum of its proper divisors (16668772451).

515542325149 is a wasteful number, since it uses less digits than its factorization.

515542325149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495312.

The product of its digits is 1080000, while the sum is 46.

The spelling of 515542325149 in words is "five hundred fifteen billion, five hundred forty-two million, three hundred twenty-five thousand, one hundred forty-nine".