1542818620506 has 16 divisors (see below), whose sum is σ = 3085654630464. Its totient is φ = 514269975264.

The previous prime is 1542818620459. The next prime is 1542818620531. The reversal of 1542818620506 is 6050268182451.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621051 + ... + 1863153.

It is an arithmetic number, because the mean of its divisors is an integer number (192853414404).

Almost surely, 2^{1542818620506} is an apocalyptic number.

It is a pronic number, being equal to 1242102×1242103.

1542818620506 is an abundant number, since it is smaller than the sum of its proper divisors (1542836009958).

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

1542818620506 is a wasteful number, since it uses less digits than its factorization.

1542818620506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449125.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 1542818620506 in words is "one trillion, five hundred forty-two billion, eight hundred eighteen million, six hundred twenty thousand, five hundred six".