542615401263 has 16 divisors (see below), whose sum is σ = 779159979360. Its totient is φ = 333908634624.

The previous prime is 542615401253. The next prime is 542615401271. The reversal of 542615401263 is 362104516245.

It is not a de Polignac number, because 542615401263 - 2⁵ = 542615401231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542615401243) 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, 1589923 + ... + 1900811.

It is an arithmetic number, because the mean of its divisors is an integer number (48697498710).

Almost surely, 2^542615401263 is an apocalyptic number.

542615401263 is a deficient number, since it is larger than the sum of its proper divisors (236544578097).

542615401263 is a wasteful number, since it uses less digits than its factorization.

542615401263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355658.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 542615401263 in words is "five hundred forty-two billion, six hundred fifteen million, four hundred one thousand, two hundred sixty-three".