1318763020542 has 32 divisors (see below), whose sum is σ = 3046554146304. Its totient is φ = 376117795200.

The previous prime is 1318763020541. The next prime is 1318763020669. The reversal of 1318763020542 is 2450203678131.

It is a junction number, because it is equal to n+sod(n) for n = 1318763020494 and 1318763020503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318763020541) 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, 587682934 + ... + 587685177.

It is an arithmetic number, because the mean of its divisors is an integer number (95204817072).

Almost surely, 2^{1318763020542} is an apocalyptic number.

1318763020542 is an abundant number, since it is smaller than the sum of its proper divisors (1727791125762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1318763020542 is a wasteful number, since it uses less digits than its factorization.

1318763020542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175368144.

The product of its (nonzero) digits is 241920, while the sum is 42.

Adding to 1318763020542 its reverse (2450203678131), we get a palindrome (3768966698673).

The spelling of 1318763020542 in words is "one trillion, three hundred eighteen billion, seven hundred sixty-three million, twenty thousand, five hundred forty-two".