542101025505 has 64 divisors (see below), whose sum is σ = 964665999360. Its totient is φ = 258150240000.

The previous prime is 542101025497. The next prime is 542101025513. The reversal of 542101025505 is 505520101245.

It is an interprime number because it is at equal distance from previous prime (542101025497) and next prime (542101025513).

It is not a de Polignac number, because 542101025505 - 2³ = 542101025497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13587376 + ... + 13627214.

It is an arithmetic number, because the mean of its divisors is an integer number (15072906240).

Almost surely, 2^542101025505 is an apocalyptic number.

It is an amenable number.

542101025505 is a deficient number, since it is larger than the sum of its proper divisors (422564973855).

542101025505 is a wasteful number, since it uses less digits than its factorization.

542101025505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42142.

The product of its (nonzero) digits is 10000, while the sum is 30.

It can be divided in two parts, 54210 and 1025505, that added together give a triangular number (1079715 = T₁₄₆₉).

The spelling of 542101025505 in words is "five hundred forty-two billion, one hundred one million, twenty-five thousand, five hundred five".