15542242156004 has 12 divisors (see below), whose sum is σ = 27286380121728. Its totient is φ = 7746133549800.

The previous prime is 15542242155977. The next prime is 15542242156033. The reversal of 15542242156004 is 40065124224551.

It is a super-2 number, since 2×15542242156004² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 6246880652 + ... + 6246883139.

It is an arithmetic number, because the mean of its divisors is an integer number (2273865010144).

Almost surely, 2^{15542242156004} is an apocalyptic number.

It is an amenable number.

15542242156004 is a deficient number, since it is larger than the sum of its proper divisors (11744137965724).

15542242156004 is a wasteful number, since it uses less digits than its factorization.

15542242156004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12493764106 (or 12493764104 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 15542242156004 in words is "fifteen trillion, five hundred forty-two billion, two hundred forty-two million, one hundred fifty-six thousand, four".