15535555452042 has 16 divisors (see below), whose sum is σ = 31071166013280. Its totient is φ = 5178509299152.

The previous prime is 15535555451929. The next prime is 15535555452047. The reversal of 15535555452042 is 24025455553551.

It is not an unprimeable number, because it can be changed into a prime (15535555452047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1981584 + ... + 5915892.

It is an arithmetic number, because the mean of its divisors is an integer number (1941947875830).

Almost surely, 2^{15535555452042} is an apocalyptic number.

15535555452042 is an abundant number, since it is smaller than the sum of its proper divisors (15535610561238).

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

15535555452042 is a wasteful number, since it uses less digits than its factorization.

15535555452042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592437.

The product of its (nonzero) digits is 15000000, while the sum is 51.

The spelling of 15535555452042 in words is "fifteen trillion, five hundred thirty-five billion, five hundred fifty-five million, four hundred fifty-two thousand, forty-two".