11601256432423 has 4 divisors (see below), whose sum is σ = 13258578779920. Its totient is φ = 9943934084928.

The previous prime is 11601256432357. The next prime is 11601256432433. The reversal of 11601256432423 is 32423465210611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11601256432423 - 2⁴¹ = 9402233176871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11601256432433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828661173738 + ... + 828661173751.

It is an arithmetic number, because the mean of its divisors is an integer number (3314644694980).

Almost surely, 2^{11601256432423} is an apocalyptic number.

11601256432423 is a deficient number, since it is larger than the sum of its proper divisors (1657322347497).

11601256432423 is an equidigital number, since it uses as much as digits as its factorization.

11601256432423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657322347496.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 11601256432423 in words is "eleven trillion, six hundred one billion, two hundred fifty-six million, four hundred thirty-two thousand, four hundred twenty-three".