105560005551 has 64 divisors (see below), whose sum is σ = 194082180096. Its totient is φ = 49250073600.

The previous prime is 105560005549. The next prime is 105560005619. The reversal of 105560005551 is 155500065501.

It is not a de Polignac number, because 105560005551 - 2¹ = 105560005549 is a prime.

It is a super-2 number, since 2×105560005551² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105560005531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 363910 + ... + 586131.

It is an arithmetic number, because the mean of its divisors is an integer number (3032534064).

Almost surely, 2^105560005551 is an apocalyptic number.

105560005551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105560005551 is a deficient number, since it is larger than the sum of its proper divisors (88522174545).

105560005551 is a wasteful number, since it uses less digits than its factorization.

105560005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950112.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 105560005551 in words is "one hundred five billion, five hundred sixty million, five thousand, five hundred fifty-one".