542111499 has 12 divisors (see below), whose sum is σ = 785007912. Its totient is φ = 360504000.

The previous prime is 542111497. The next prime is 542111513. The reversal of 542111499 is 994111245.

It is a happy number.

542111499 is a `hidden beast` number, since 54 + 2 + 111 + 499 = 666.

It is not a de Polignac number, because 542111499 - 2¹ = 542111497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542111491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71497 + ... + 78714.

It is an arithmetic number, because the mean of its divisors is an integer number (65417326).

Almost surely, 2^542111499 is an apocalyptic number.

542111499 is a deficient number, since it is larger than the sum of its proper divisors (242896413).

542111499 is a wasteful number, since it uses less digits than its factorization.

542111499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150618 (or 150615 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 542111499 is about 23283.2879765724. The cubic root of 542111499 is about 815.3852916223.

The spelling of 542111499 in words is "five hundred forty-two million, one hundred eleven thousand, four hundred ninety-nine".