11445651604523 has 8 divisors (see below), whose sum is σ = 11458350201600. Its totient is φ = 11432953540008.

The previous prime is 11445651604411. The next prime is 11445651604531. The reversal of 11445651604523 is 32540615654411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11445651604523 - 2¹⁶ = 11445651538987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11445650604523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55882340 + ... + 56086782.

It is an arithmetic number, because the mean of its divisors is an integer number (1432293775200).

Almost surely, 2^{11445651604523} is an apocalyptic number.

11445651604523 is a deficient number, since it is larger than the sum of its proper divisors (12698597077).

11445651604523 is an equidigital number, since it uses as much as digits as its factorization.

11445651604523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266281.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 11445651604523 in words is "eleven trillion, four hundred forty-five billion, six hundred fifty-one million, six hundred four thousand, five hundred twenty-three".