12542262537 has 16 divisors (see below), whose sum is σ = 19117110272. Its totient is φ = 7165098000.

The previous prime is 12542262529. The next prime is 12542262541. The reversal of 12542262537 is 73526224521.

It is not a de Polignac number, because 12542262537 - 2³ = 12542262529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12542262495 and 12542262504.

It is not an unprimeable number, because it can be changed into a prime (12542262547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3162 + ... + 158412.

It is an arithmetic number, because the mean of its divisors is an integer number (1194819392).

Almost surely, 2^12542262537 is an apocalyptic number.

It is an amenable number.

12542262537 is a deficient number, since it is larger than the sum of its proper divisors (6574847735).

12542262537 is a wasteful number, since it uses less digits than its factorization.

12542262537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159108.

The product of its digits is 201600, while the sum is 39.

The spelling of 12542262537 in words is "twelve billion, five hundred forty-two million, two hundred sixty-two thousand, five hundred thirty-seven".