11555340154043 has 8 divisors (see below), whose sum is σ = 13206280082688. Its totient is φ = 9904444487784.

The previous prime is 11555340154027. The next prime is 11555340154067. The reversal of 11555340154043 is 34045104355511.

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

It is not a de Polignac number, because 11555340154043 - 2⁴ = 11555340154027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11555340154073) 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, 10504271 + ... + 11552072.

It is an arithmetic number, because the mean of its divisors is an integer number (1650785010336).

Almost surely, 2^{11555340154043} is an apocalyptic number.

11555340154043 is a deficient number, since it is larger than the sum of its proper divisors (1650939928645).

11555340154043 is an equidigital number, since it uses as much as digits as its factorization.

11555340154043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22131193.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 11555340154043 in words is "eleven trillion, five hundred fifty-five billion, three hundred forty million, one hundred fifty-four thousand, forty-three".