2538678713811 has 8 divisors (see below), whose sum is σ = 3388220239824. Its totient is φ = 1690794831840.

The previous prime is 2538678713749. The next prime is 2538678713819. The reversal of 2538678713811 is 1183178768352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2538678713811 - 2¹¹ = 2538678711763 is a prime.

It is a super-2 number, since 2×2538678713811² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2538678713819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414407436 + ... + 414413561.

It is an arithmetic number, because the mean of its divisors is an integer number (423527529978).

Almost surely, 2^{2538678713811} is an apocalyptic number.

2538678713811 is a deficient number, since it is larger than the sum of its proper divisors (849541526013).

2538678713811 is a wasteful number, since it uses less digits than its factorization.

2538678713811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828822021.

The product of its digits is 13547520, while the sum is 60.

The spelling of 2538678713811 in words is "two trillion, five hundred thirty-eight billion, six hundred seventy-eight million, seven hundred thirteen thousand, eight hundred eleven".