60705511 has 4 divisors (see below), whose sum is σ = 61850952. Its totient is φ = 59560072.

The previous prime is 60705457. The next prime is 60705517. The reversal of 60705511 is 11550706.

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 60705511 - 2⁷ = 60705383 is a prime.

It is a super-2 number, since 2×60705511² = 7370318131542242, which 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 (60705517) 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, 572641 + ... + 572746.

It is an arithmetic number, because the mean of its divisors is an integer number (15462738).

Almost surely, 2^60705511 is an apocalyptic number.

60705511 is a deficient number, since it is larger than the sum of its proper divisors (1145441).

60705511 is a wasteful number, since it uses less digits than its factorization.

60705511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145440.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 60705511 is about 7791.3741406763. The cubic root of 60705511 is about 393.0152234217.

It can be divided in two parts, 60705 and 511, that added together give a palindrome (61216).

The spelling of 60705511 in words is "sixty million, seven hundred five thousand, five hundred eleven".