2538113505139 has 16 divisors (see below), whose sum is σ = 2652437399040. Its totient is φ = 2424122458560.

The previous prime is 2538113505019. The next prime is 2538113505149. The reversal of 2538113505139 is 9315053118352.

It is a cyclic number.

It is not a de Polignac number, because 2538113505139 - 2¹⁷ = 2538113374067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2538113505149) 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, 64218394 + ... + 64257904.

It is an arithmetic number, because the mean of its divisors is an integer number (165777337440).

Almost surely, 2^{2538113505139} is an apocalyptic number.

2538113505139 is a deficient number, since it is larger than the sum of its proper divisors (114323893901).

2538113505139 is a wasteful number, since it uses less digits than its factorization.

2538113505139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43650.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 2538113505139 in words is "two trillion, five hundred thirty-eight billion, one hundred thirteen million, five hundred five thousand, one hundred thirty-nine".