551051050111 has 4 divisors (see below), whose sum is σ = 551052855952. Its totient is φ = 551049244272.

The previous prime is 551051050073. The next prime is 551051050127. The reversal of 551051050111 is 111050150155.

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

It is a cyclic number.

It is not a de Polignac number, because 551051050111 - 2²⁹ = 550514179199 is a prime.

It is a super-2 number, since 2×551051050111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551051050141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319566 + ... + 1097371.

It is an arithmetic number, because the mean of its divisors is an integer number (137763213988).

Almost surely, 2^551051050111 is an apocalyptic number.

551051050111 is a deficient number, since it is larger than the sum of its proper divisors (1805841).

551051050111 is a wasteful number, since it uses less digits than its factorization.

551051050111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805840.

The product of its (nonzero) digits is 625, while the sum is 25.

The spelling of 551051050111 in words is "five hundred fifty-one billion, fifty-one million, fifty thousand, one hundred eleven".