5551142243345 has 4 divisors (see below), whose sum is σ = 6661370692020. Its totient is φ = 4440913794672.

The previous prime is 5551142243341. The next prime is 5551142243371. The reversal of 5551142243345 is 5433422411555.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 808603802176 + 4742538441169 = 899224^2 + 2177737^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551142243345 - 2² = 5551142243341 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5551142243296 and 5551142243305.

It is not an unprimeable number, because it can be changed into a prime (5551142243341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555114224330 + ... + 555114224339.

It is an arithmetic number, because the mean of its divisors is an integer number (1665342673005).

Almost surely, 2^{5551142243345} is an apocalyptic number.

It is an amenable number.

5551142243345 is a deficient number, since it is larger than the sum of its proper divisors (1110228448675).

5551142243345 is a wasteful number, since it uses less digits than its factorization.

5551142243345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110228448674.

The product of its digits is 1440000, while the sum is 44.

The spelling of 5551142243345 in words is "five trillion, five hundred fifty-one billion, one hundred forty-two million, two hundred forty-three thousand, three hundred forty-five".