1538742757124 has 12 divisors (see below), whose sum is σ = 2693036136000. Its totient is φ = 769303861128.

The previous prime is 1538742757099. The next prime is 1538742757141. The reversal of 1538742757124 is 4217572478351.

It is a self number, because there is not a number n which added to its sum of digits gives 1538742757124.

It is an unprimeable number.

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, 16828064 + ... + 16919255.

It is an arithmetic number, because the mean of its divisors is an integer number (224419678000).

Almost surely, 2^{1538742757124} is an apocalyptic number.

It is an amenable number.

1538742757124 is a deficient number, since it is larger than the sum of its proper divisors (1154293378876).

1538742757124 is a wasteful number, since it uses less digits than its factorization.

1538742757124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33758722 (or 33758720 counting only the distinct ones).

The product of its digits is 13171200, while the sum is 56.

The spelling of 1538742757124 in words is "one trillion, five hundred thirty-eight billion, seven hundred forty-two million, seven hundred fifty-seven thousand, one hundred twenty-four".