551135320043042 has 32 divisors (see below), whose sum is σ = 951093857664000. Its totient is φ = 234628348597200.

The previous prime is 551135320042999. The next prime is 551135320043069. The reversal of 551135320043042 is 240340023531155.

It is a super-2 number, since 2×551135320043042² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551135320042987 and 551135320043005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55672913 + ... + 64820859.

It is an arithmetic number, because the mean of its divisors is an integer number (29721683052000).

Almost surely, 2^{551135320043042} is an apocalyptic number.

551135320043042 is a deficient number, since it is larger than the sum of its proper divisors (399958537620958).

551135320043042 is a wasteful number, since it uses less digits than its factorization.

551135320043042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176606.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 551135320043042 its reverse (240340023531155), we get a palindrome (791475343574197).

The spelling of 551135320043042 in words is "five hundred fifty-one trillion, one hundred thirty-five billion, three hundred twenty million, forty-three thousand, forty-two".