11554155154361 has 4 divisors (see below), whose sum is σ = 11554692903552. Its totient is φ = 11553617405172.

The previous prime is 11554155154357. The next prime is 11554155154387. The reversal of 11554155154361 is 16345155145511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11554155154361 - 2² = 11554155154357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11554155154261) 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, 268842365 + ... + 268885338.

It is an arithmetic number, because the mean of its divisors is an integer number (2888673225888).

Almost surely, 2^{11554155154361} is an apocalyptic number.

It is an amenable number.

11554155154361 is a deficient number, since it is larger than the sum of its proper divisors (537749191).

11554155154361 is an equidigital number, since it uses as much as digits as its factorization.

11554155154361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537749190.

The product of its digits is 900000, while the sum is 47.

The spelling of 11554155154361 in words is "eleven trillion, five hundred fifty-four billion, one hundred fifty-five million, one hundred fifty-four thousand, three hundred sixty-one".