1315423555542 has 40 divisors (see below), whose sum is σ = 2948437153200. Its totient is φ = 438338551536.

The previous prime is 1315423555529. The next prime is 1315423555561. The reversal of 1315423555542 is 2455553245131.

1315423555542 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 42 + 3 + 55 + 554 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 734242 + ... + 1780437.

It is an arithmetic number, because the mean of its divisors is an integer number (73710928830).

Almost surely, 2^{1315423555542} is an apocalyptic number.

1315423555542 is an abundant number, since it is smaller than the sum of its proper divisors (1633013597658).

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

1315423555542 is a wasteful number, since it uses less digits than its factorization.

1315423555542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517922 (or 2517913 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 45.

The spelling of 1315423555542 in words is "one trillion, three hundred fifteen billion, four hundred twenty-three million, five hundred fifty-five thousand, five hundred forty-two".