105551415355 has 4 divisors (see below), whose sum is σ = 126661698432. Its totient is φ = 84441132280.

The previous prime is 105551415349. The next prime is 105551415373. The reversal of 105551415355 is 553514155501.

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

It is not a de Polignac number, because 105551415355 - 2⁷ = 105551415227 is a prime.

It is a super-2 number, since 2×105551415355² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10555141531 + ... + 10555141540.

It is an arithmetic number, because the mean of its divisors is an integer number (31665424608).

Almost surely, 2^105551415355 is an apocalyptic number.

105551415355 is a deficient number, since it is larger than the sum of its proper divisors (21110283077).

105551415355 is an equidigital number, since it uses as much as digits as its factorization.

105551415355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21110283076.

The product of its (nonzero) digits is 187500, while the sum is 40.

The spelling of 105551415355 in words is "one hundred five billion, five hundred fifty-one million, four hundred fifteen thousand, three hundred fifty-five".