42154460555 has 4 divisors (see below), whose sum is σ = 50585352672. Its totient is φ = 33723568440.

The previous prime is 42154460539. The next prime is 42154460611. The reversal of 42154460555 is 55506445124.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42154460555 - 2⁴ = 42154460539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4215446051 + ... + 4215446060.

It is an arithmetic number, because the mean of its divisors is an integer number (12646338168).

Almost surely, 2^42154460555 is an apocalyptic number.

42154460555 is a deficient number, since it is larger than the sum of its proper divisors (8430892117).

42154460555 is an equidigital number, since it uses as much as digits as its factorization.

42154460555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8430892116.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 42154460555 in words is "forty-two billion, one hundred fifty-four million, four hundred sixty thousand, five hundred fifty-five".