11523526045645 has 8 divisors (see below), whose sum is σ = 13830067962360. Its totient is φ = 9217596364800.

The previous prime is 11523526045643. The next prime is 11523526045649. The reversal of 11523526045645 is 54654062532511.

It can be written as a sum of positive squares in 4 ways, for example, as 465699786084 + 11057826259561 = 682422^2 + 3325331^2 .

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

It is not a de Polignac number, because 11523526045645 - 2¹ = 11523526045643 is a prime.

It is a super-3 number, since 3×11523526045645³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523526045643) 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, 153017556 + ... + 153092845.

It is an arithmetic number, because the mean of its divisors is an integer number (1728758495295).

Almost surely, 2^{11523526045645} is an apocalyptic number.

It is an amenable number.

11523526045645 is a deficient number, since it is larger than the sum of its proper divisors (2306541916715).

11523526045645 is an equidigital number, since it uses as much as digits as its factorization.

11523526045645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306117935.

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 11523526045645 in words is "eleven trillion, five hundred twenty-three billion, five hundred twenty-six million, forty-five thousand, six hundred forty-five".