1107465647561 has 24 divisors (see below), whose sum is σ = 1377625288320. Its totient is φ = 871696290816.

The previous prime is 1107465647551. The next prime is 1107465647569. The reversal of 1107465647561 is 1657465647011.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1107465647561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1107465647569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2196941 + ... + 2653578.

It is an arithmetic number, because the mean of its divisors is an integer number (57401053680).

Almost surely, 2^{1107465647561} is an apocalyptic number.

It is an amenable number.

1107465647561 is a deficient number, since it is larger than the sum of its proper divisors (270159640759).

1107465647561 is a wasteful number, since it uses less digits than its factorization.

1107465647561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850745 (or 4850732 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 1107465647561 in words is "one trillion, one hundred seven billion, four hundred sixty-five million, six hundred forty-seven thousand, five hundred sixty-one".