551222430135 has 32 divisors (see below), whose sum is σ = 958512434880. Its totient is φ = 268881389568.

The previous prime is 551222430133. The next prime is 551222430149. The reversal of 551222430135 is 531034222155.

551222430135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551222430135 - 2¹ = 551222430133 is a prime.

It is a super-2 number, since 2×551222430135² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551222430096 and 551222430105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551222430133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12945634 + ... + 12988143.

It is an arithmetic number, because the mean of its divisors is an integer number (29953513590).

Almost surely, 2^551222430135 is an apocalyptic number.

551222430135 is a deficient number, since it is larger than the sum of its proper divisors (407290004745).

551222430135 is a wasteful number, since it uses less digits than its factorization.

551222430135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25933907.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 551222430135 in words is "five hundred fifty-one billion, two hundred twenty-two million, four hundred thirty thousand, one hundred thirty-five".