1051505106105 has 16 divisors (see below), whose sum is σ = 1691125315200. Its totient is φ = 557897008128.

The previous prime is 1051505106059. The next prime is 1051505106139. The reversal of 1051505106105 is 5016015051501.

It is not a de Polignac number, because 1051505106105 - 2⁷ = 1051505105977 is a prime.

It is a super-2 number, since 2×1051505106105² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181604205 + ... + 181609994.

It is an arithmetic number, because the mean of its divisors is an integer number (105695332200).

Almost surely, 2^{1051505106105} is an apocalyptic number.

1051505106105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1051505106105 is a deficient number, since it is larger than the sum of its proper divisors (639620209095).

1051505106105 is a wasteful number, since it uses less digits than its factorization.

1051505106105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363214400.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 1051505106105 in words is "one trillion, fifty-one billion, five hundred five million, one hundred six thousand, one hundred five".