20247505060611 has 16 divisors (see below), whose sum is σ = 28316234801664. Its totient is φ = 12854080265184.

The previous prime is 20247505060571. The next prime is 20247505060613. The reversal of 20247505060611 is 11606050574202.

It is not a de Polignac number, because 20247505060611 - 2⁶ = 20247505060547 is a prime.

It is a super-2 number, since 2×20247505060611² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20247505060611.

It is not an unprimeable number, because it can be changed into a prime (20247505060613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1940526225 + ... + 1940536658.

It is an arithmetic number, because the mean of its divisors is an integer number (1769764675104).

Almost surely, 2^{20247505060611} is an apocalyptic number.

20247505060611 is a deficient number, since it is larger than the sum of its proper divisors (8068729741053).

20247505060611 is a wasteful number, since it uses less digits than its factorization.

20247505060611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881062970.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 20247505060611 in words is "twenty trillion, two hundred forty-seven billion, five hundred five million, sixty thousand, six hundred eleven".