1542249185604 has 24 divisors (see below), whose sum is σ = 3598601559168. Its totient is φ = 514080186720.

The previous prime is 1542249185569. The next prime is 1542249185663. The reversal of 1542249185604 is 4065819422451.

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 7 ways as a sum of consecutive naturals, for example, 3815994 + ... + 4200750.

It is an arithmetic number, because the mean of its divisors is an integer number (149941731632).

Almost surely, 2^{1542249185604} is an apocalyptic number.

It is an amenable number.

1542249185604 is an abundant number, since it is smaller than the sum of its proper divisors (2056352373564).

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

1542249185604 is a wasteful number, since it uses less digits than its factorization.

1542249185604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718795 (or 718793 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 1542249185604 in words is "one trillion, five hundred forty-two billion, two hundred forty-nine million, one hundred eighty-five thousand, six hundred four".