10561051051055 has 16 divisors (see below), whose sum is σ = 12684284895744. Its totient is φ = 8441492428800.

The previous prime is 10561051051043. The next prime is 10561051051069. The reversal of 10561051051055 is 55015015016501.

It is not a de Polignac number, because 10561051051055 - 2²⁸ = 10560782615599 is a prime.

It is a super-2 number, since 2×10561051051055² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 238102130 + ... + 238146480.

It is an arithmetic number, because the mean of its divisors is an integer number (792767805984).

Almost surely, 2^{10561051051055} is an apocalyptic number.

10561051051055 is a deficient number, since it is larger than the sum of its proper divisors (2123233844689).

10561051051055 is a wasteful number, since it uses less digits than its factorization.

10561051051055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84706.

The product of its (nonzero) digits is 18750, while the sum is 35.

Adding to 10561051051055 its reverse (55015015016501), we get a palindrome (65576066067556).

The spelling of 10561051051055 in words is "ten trillion, five hundred sixty-one billion, fifty-one million, fifty-one thousand, fifty-five".