1050061510061 has 4 divisors (see below), whose sum is σ = 1056749800092. Its totient is φ = 1043373220032.

The previous prime is 1050061510027. The next prime is 1050061510093. The reversal of 1050061510061 is 1600151600501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 204892022500 + 845169487561 = 452650^2 + 919331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050061510061 is a prime.

It is a super-2 number, since 2×1050061510061² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1050061510061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050061510021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3344144780 + ... + 3344145093.

It is an arithmetic number, because the mean of its divisors is an integer number (264187450023).

Almost surely, 2^{1050061510061} is an apocalyptic number.

It is an amenable number.

1050061510061 is a deficient number, since it is larger than the sum of its proper divisors (6688290031).

1050061510061 is an equidigital number, since it uses as much as digits as its factorization.

1050061510061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688290030.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 1050061510061 in words is "one trillion, fifty billion, sixty-one million, five hundred ten thousand, sixty-one".