2765542514257 has 8 divisors (see below), whose sum is σ = 2855444417280. Its totient is φ = 2675683789680.

The previous prime is 2765542514239. The next prime is 2765542514321. The reversal of 2765542514257 is 7524152455672.

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

It is a cyclic number.

It is not a de Polignac number, because 2765542514257 - 2¹⁵ = 2765542481489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2765542514198 and 2765542514207.

It is not an unprimeable number, because it can be changed into a prime (2765542514057) 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, 10664407 + ... + 10920652.

It is an arithmetic number, because the mean of its divisors is an integer number (356930552160).

Almost surely, 2^{2765542514257} is an apocalyptic number.

It is an amenable number.

2765542514257 is a deficient number, since it is larger than the sum of its proper divisors (89901903023).

2765542514257 is a wasteful number, since it uses less digits than its factorization.

2765542514257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21589223.

The product of its digits is 23520000, while the sum is 55.

The spelling of 2765542514257 in words is "two trillion, seven hundred sixty-five billion, five hundred forty-two million, five hundred fourteen thousand, two hundred fifty-seven".