1051051566505 has 16 divisors (see below), whose sum is σ = 1271880984384. Its totient is φ = 833783670720.

The previous prime is 1051051566493. The next prime is 1051051566517. The reversal of 1051051566505 is 5056651501501.

It is an interprime number because it is at equal distance from previous prime (1051051566493) and next prime (1051051566517).

It is not a de Polignac number, because 1051051566505 - 2⁵ = 1051051566473 is a prime.

It is a super-2 number, since 2×1051051566505² (a number of 25 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 15 ways as a sum of consecutive naturals, for example, 978027 + ... + 1748896.

It is an arithmetic number, because the mean of its divisors is an integer number (79492561524).

Almost surely, 2^{1051051566505} is an apocalyptic number.

It is an amenable number.

1051051566505 is a deficient number, since it is larger than the sum of its proper divisors (220829417879).

1051051566505 is a wasteful number, since it uses less digits than its factorization.

1051051566505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727576.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 1051051566505 in words is "one trillion, fifty-one billion, fifty-one million, five hundred sixty-six thousand, five hundred five".