542015151155543 has 16 divisors (see below), whose sum is σ = 599488663011840. Its totient is φ = 486796116854016.

The previous prime is 542015151155521. The next prime is 542015151155549. The reversal of 542015151155543 is 345551151510245.

It is a cyclic number.

It is not a de Polignac number, because 542015151155543 - 2³⁰ = 542014077413719 is a prime.

It is a super-2 number, since 2×542015151155543² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542015151155549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67369418 + ... + 74984456.

It is an arithmetic number, because the mean of its divisors is an integer number (37468041438240).

Almost surely, 2^{542015151155543} is an apocalyptic number.

542015151155543 is a deficient number, since it is larger than the sum of its proper divisors (57473511856297).

542015151155543 is a wasteful number, since it uses less digits than its factorization.

542015151155543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7763066.

The product of its (nonzero) digits is 1500000, while the sum is 47.

The spelling of 542015151155543 in words is "five hundred forty-two trillion, fifteen billion, one hundred fifty-one million, one hundred fifty-five thousand, five hundred forty-three".