12540013053 has 16 divisors (see below), whose sum is σ = 17643940800. Its totient is φ = 7900243200.

The previous prime is 12540013043. The next prime is 12540013063. The reversal of 12540013053 is 35031004521.

It is an interprime number because it is at equal distance from previous prime (12540013043) and next prime (12540013063).

It is not a de Polignac number, because 12540013053 - 2⁴ = 12540013037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12540013033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251458 + ... + 297171.

It is an arithmetic number, because the mean of its divisors is an integer number (1102746300).

Almost surely, 2^12540013053 is an apocalyptic number.

It is an amenable number.

12540013053 is a deficient number, since it is larger than the sum of its proper divisors (5103927747).

12540013053 is a wasteful number, since it uses less digits than its factorization.

12540013053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549052.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 12540013053 its reverse (35031004521), we get a palindrome (47571017574).

The spelling of 12540013053 in words is "twelve billion, five hundred forty million, thirteen thousand, fifty-three".