11445661560501 has 48 divisors (see below), whose sum is σ = 19150596611328. Its totient is φ = 6452137036800.

The previous prime is 11445661560499. The next prime is 11445661560523. The reversal of 11445661560501 is 10506516654411.

It is a happy number.

11445661560501 is a `hidden beast` number, since 1 + 1 + 44 + 56 + 6 + 1 + 56 + 0 + 501 = 666.

It is not a de Polignac number, because 11445661560501 - 2¹ = 11445661560499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445661560101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1110670 + ... + 4911711.

It is an arithmetic number, because the mean of its divisors is an integer number (398970762736).

Almost surely, 2^{11445661560501} is an apocalyptic number.

It is an amenable number.

11445661560501 is a deficient number, since it is larger than the sum of its proper divisors (7704935050827).

11445661560501 is a wasteful number, since it uses less digits than its factorization.

11445661560501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022802 (or 6022799 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 11445661560501 in words is "eleven trillion, four hundred forty-five billion, six hundred sixty-one million, five hundred sixty thousand, five hundred one".