11455554001 has 4 divisors (see below), whose sum is σ = 11616899904. Its totient is φ = 11294208100.

The previous prime is 11455553999. The next prime is 11455554017. The reversal of 11455554001 is 10045555411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10045555411 = 277 ⋅36265543.

It is a cyclic number.

It is not a de Polignac number, because 11455554001 - 2¹ = 11455553999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11455554101) 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, 80672845 + ... + 80672986.

It is an arithmetic number, because the mean of its divisors is an integer number (2904224976).

Almost surely, 2^11455554001 is an apocalyptic number.

It is an amenable number.

11455554001 is a deficient number, since it is larger than the sum of its proper divisors (161345903).

11455554001 is an equidigital number, since it uses as much as digits as its factorization.

11455554001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161345902.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 11455554001 in words is "eleven billion, four hundred fifty-five million, five hundred fifty-four thousand, one".