60561000105511 has 4 divisors (see below), whose sum is σ = 60561064853352. Its totient is φ = 60560935357672.

The previous prime is 60561000105443. The next prime is 60561000105539. The reversal of 60561000105511 is 11550100016506.

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

It is a cyclic number.

It is not a de Polignac number, because 60561000105511 - 2⁷ = 60561000105383 is a prime.

It is a super-2 number, since 2×60561000105511² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60561000105581) 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, 30950041 + ... + 32848546.

It is an arithmetic number, because the mean of its divisors is an integer number (15140266213338).

Almost surely, 2^{60561000105511} is an apocalyptic number.

60561000105511 is a deficient number, since it is larger than the sum of its proper divisors (64747841).

60561000105511 is an equidigital number, since it uses as much as digits as its factorization.

60561000105511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64747840.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 60561000105511 in words is "sixty trillion, five hundred sixty-one billion, one hundred five thousand, five hundred eleven".