64611775041 has 64 divisors (see below), whose sum is σ = 99577589760. Its totient is φ = 36854784000.

The previous prime is 64611775031. The next prime is 64611775049. The reversal of 64611775041 is 14057711646.

It is a happy number.

It is not a de Polignac number, because 64611775041 - 2¹⁴ = 64611758657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64611774984 and 64611775002.

It is not an unprimeable number, because it can be changed into a prime (64611775049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100798081 + ... + 100798721.

It is an arithmetic number, because the mean of its divisors is an integer number (1555899840).

Almost surely, 2^64611775041 is an apocalyptic number.

It is an amenable number.

64611775041 is a deficient number, since it is larger than the sum of its proper divisors (34965814719).

64611775041 is a wasteful number, since it uses less digits than its factorization.

64611775041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 64611775041 in words is "sixty-four billion, six hundred eleven million, seven hundred seventy-five thousand, forty-one".