64111177345 has 32 divisors (see below), whose sum is σ = 80367206400. Its totient is φ = 49041616320.

The previous prime is 64111177343. The next prime is 64111177357. The reversal of 64111177345 is 54377111146.

It is not a de Polignac number, because 64111177345 - 2¹ = 64111177343 is a prime.

It is a super-2 number, since 2×64111177345² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64111177298 and 64111177307.

It is not an unprimeable number, because it can be changed into a prime (64111177343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7451356 + ... + 7459954.

It is an arithmetic number, because the mean of its divisors is an integer number (2511475200).

Almost surely, 2^64111177345 is an apocalyptic number.

It is an amenable number.

64111177345 is a deficient number, since it is larger than the sum of its proper divisors (16256029055).

64111177345 is a wasteful number, since it uses less digits than its factorization.

64111177345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9205.

The product of its digits is 70560, while the sum is 40.

The spelling of 64111177345 in words is "sixty-four billion, one hundred eleven million, one hundred seventy-seven thousand, three hundred forty-five".