2512750126531 has 4 divisors (see below), whose sum is σ = 2523534462072. Its totient is φ = 2501965790992.

The previous prime is 2512750126529. The next prime is 2512750126543. The reversal of 2512750126531 is 1356210572152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2512750126531 - 2¹ = 2512750126529 is a prime.

It is a super-2 number, since 2×2512750126531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2512750126561) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5392167421 + ... + 5392167886.

It is an arithmetic number, because the mean of its divisors is an integer number (630883615518).

Almost surely, 2^{2512750126531} is an apocalyptic number.

2512750126531 is a deficient number, since it is larger than the sum of its proper divisors (10784335541).

2512750126531 is a wasteful number, since it uses less digits than its factorization.

2512750126531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10784335540.

The product of its (nonzero) digits is 126000, while the sum is 40.

Adding to 2512750126531 its reverse (1356210572152), we get a palindrome (3868960698683).

The spelling of 2512750126531 in words is "two trillion, five hundred twelve billion, seven hundred fifty million, one hundred twenty-six thousand, five hundred thirty-one".