542636056606155 has 8 divisors (see below), whose sum is σ = 868217690569872. Its totient is φ = 289405896856608.

The previous prime is 542636056606153. The next prime is 542636056606199. The reversal of 542636056606155 is 551606650636245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542636056606155 - 2¹ = 542636056606153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542636056606153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18087868553524 + ... + 18087868553553.

It is an arithmetic number, because the mean of its divisors is an integer number (108527211321234).

Almost surely, 2^{542636056606155} is an apocalyptic number.

542636056606155 is a deficient number, since it is larger than the sum of its proper divisors (325581633963717).

542636056606155 is a wasteful number, since it uses less digits than its factorization.

542636056606155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36175737107085.

The product of its (nonzero) digits is 116640000, while the sum is 60.

The spelling of 542636056606155 in words is "five hundred forty-two trillion, six hundred thirty-six billion, fifty-six million, six hundred six thousand, one hundred fifty-five".