542101026555 has 48 divisors (see below), whose sum is σ = 1025757289440. Its totient is φ = 262659033600.

The previous prime is 542101026553. The next prime is 542101026557. The reversal of 542101026555 is 555620101245.

542101026555 is a `hidden beast` number, since 54 + 21 + 0 + 10 + 26 + 555 = 666.

It is an interprime number because it is at equal distance from previous prime (542101026553) and next prime (542101026557).

It is not a de Polignac number, because 542101026555 - 2¹ = 542101026553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542101026553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 363361 + ... + 1102829.

It is an arithmetic number, because the mean of its divisors is an integer number (21369943530).

Almost surely, 2^542101026555 is an apocalyptic number.

542101026555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

542101026555 is a deficient number, since it is larger than the sum of its proper divisors (483656262885).

542101026555 is a wasteful number, since it uses less digits than its factorization.

542101026555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740972 (or 740969 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 542101026555 in words is "five hundred forty-two billion, one hundred one million, twenty-six thousand, five hundred fifty-five".