2005015551242 has 8 divisors (see below), whose sum is σ = 3280934538432. Its totient is φ = 911370705100.

The previous prime is 2005015551239. The next prime is 2005015551271. The reversal of 2005015551242 is 2421555105002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2005015551242² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2005015551199 and 2005015551208.

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, 45568535234 + ... + 45568535277.

It is an arithmetic number, because the mean of its divisors is an integer number (410116817304).

Almost surely, 2^{2005015551242} is an apocalyptic number.

2005015551242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2005015551242 is a deficient number, since it is larger than the sum of its proper divisors (1275918987190).

2005015551242 is a wasteful number, since it uses less digits than its factorization.

2005015551242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91137070524.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 2005015551242 in words is "two trillion, five billion, fifteen million, five hundred fifty-one thousand, two hundred forty-two".