13750138875265 has 16 divisors (see below), whose sum is σ = 18814669666128. Its totient is φ = 9556657606656.

The previous prime is 13750138875257. The next prime is 13750138875287. The reversal of 13750138875265 is 56257883105731.

It can be written as a sum of positive squares in 8 ways, for example, as 186821043984 + 13563317831281 = 432228^2 + 3682841^2 .

It is a cyclic number.

It is not a de Polignac number, because 13750138875265 - 2³ = 13750138875257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6221781192 + ... + 6221783401.

It is an arithmetic number, because the mean of its divisors is an integer number (1175916854133).

Almost surely, 2^{13750138875265} is an apocalyptic number.

It is an amenable number.

13750138875265 is a deficient number, since it is larger than the sum of its proper divisors (5064530790863).

13750138875265 is a wasteful number, since it uses less digits than its factorization.

13750138875265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12443564628.

The product of its (nonzero) digits is 42336000, while the sum is 61.

The spelling of 13750138875265 in words is "thirteen trillion, seven hundred fifty billion, one hundred thirty-eight million, eight hundred seventy-five thousand, two hundred sixty-five".