5551511103433 has 4 divisors (see below), whose sum is σ = 5551834654080. Its totient is φ = 5551187552788.

The previous prime is 5551511103431. The next prime is 5551511103533. The reversal of 5551511103433 is 3343011151555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5551511103433 - 2¹ = 5551511103431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5551511103392 and 5551511103401.

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 in 3 ways as a sum of consecutive naturals, for example, 161749585 + ... + 161783902.

It is an arithmetic number, because the mean of its divisors is an integer number (1387958663520).

Almost surely, 2^{5551511103433} is an apocalyptic number.

It is an amenable number.

5551511103433 is a deficient number, since it is larger than the sum of its proper divisors (323550647).

5551511103433 is a wasteful number, since it uses less digits than its factorization.

5551511103433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323550646.

The product of its (nonzero) digits is 67500, while the sum is 37.

Adding to 5551511103433 its reverse (3343011151555), we get a palindrome (8894522254988).

The spelling of 5551511103433 in words is "five trillion, five hundred fifty-one billion, five hundred eleven million, one hundred three thousand, four hundred thirty-three".