542747775515 has 64 divisors (see below), whose sum is σ = 741385768320. Its totient is φ = 377814528000.

The previous prime is 542747775511. The next prime is 542747775523. The reversal of 542747775515 is 515577747245.

It is not a de Polignac number, because 542747775515 - 2² = 542747775511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542747775511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 231843245 + ... + 231845585.

It is an arithmetic number, because the mean of its divisors is an integer number (11584152630).

Almost surely, 2^542747775515 is an apocalyptic number.

542747775515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

542747775515 is a deficient number, since it is larger than the sum of its proper divisors (198637992805).

542747775515 is a wasteful number, since it uses less digits than its factorization.

542747775515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584.

The product of its digits is 48020000, while the sum is 59.

The spelling of 542747775515 in words is "five hundred forty-two billion, seven hundred forty-seven million, seven hundred seventy-five thousand, five hundred fifteen".