551220113351 has 2 divisors, whose sum is σ = 551220113352. Its totient is φ = 551220113350.

The previous prime is 551220113303. The next prime is 551220113359. The reversal of 551220113351 is 153311022155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551220113351 - 2²² = 551215919047 is a prime.

It is a super-2 number, since 2×551220113351² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551220113359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275610056675 + 275610056676.

It is an arithmetic number, because the mean of its divisors is an integer number (275610056676).

Almost surely, 2^551220113351 is an apocalyptic number.

551220113351 is a deficient number, since it is larger than the sum of its proper divisors (1).

551220113351 is an equidigital number, since it uses as much as digits as its factorization.

551220113351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 551220113351 in words is "five hundred fifty-one billion, two hundred twenty million, one hundred thirteen thousand, three hundred fifty-one".