12405053542 has 48 divisors (see below), whose sum is σ = 23013048672. Its totient is φ = 4989304320.

The previous prime is 12405053533. The next prime is 12405053581. The reversal of 12405053542 is 24535050421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67542 + ... + 171382.

It is an arithmetic number, because the mean of its divisors is an integer number (479438514).

Almost surely, 2^12405053542 is an apocalyptic number.

12405053542 is a deficient number, since it is larger than the sum of its proper divisors (10607995130).

12405053542 is a wasteful number, since it uses less digits than its factorization.

12405053542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103933 (or 103926 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 12405053542 in words is "twelve billion, four hundred five million, fifty-three thousand, five hundred forty-two".