5551511103434 has 4 divisors (see below), whose sum is σ = 8327266655154. Its totient is φ = 2775755551716.

The previous prime is 5551511103431. The next prime is 5551511103533. The reversal of 5551511103434 is 4343011151555.

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

It can be written as a sum of positive squares in only one way, i.e., 3401431424209 + 2150079679225 = 1844297^2 + 1466315^2 .

It is not an unprimeable number, because it can be changed into a prime (5551511103431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387877775857 + ... + 1387877775860.

Almost surely, 2^{5551511103434} is an apocalyptic number.

5551511103434 is a deficient number, since it is larger than the sum of its proper divisors (2775755551720).

5551511103434 is a wasteful number, since it uses less digits than its factorization.

5551511103434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775755551719.

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 5551511103434 its reverse (4343011151555), we get a palindrome (9894522254989).

The spelling of 5551511103434 in words is "five trillion, five hundred fifty-one billion, five hundred eleven million, one hundred three thousand, four hundred thirty-four".