454515555656111 has 4 divisors (see below), whose sum is σ = 455249829575400. Its totient is φ = 453781281736824.

The previous prime is 454515555656059. The next prime is 454515555656219. The reversal of 454515555656111 is 111656555515454.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454515555656111 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 (454515555656411) 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, 367136958716 + ... + 367136959953.

It is an arithmetic number, because the mean of its divisors is an integer number (113812457393850).

Almost surely, 2^{454515555656111} is an apocalyptic number.

454515555656111 is a deficient number, since it is larger than the sum of its proper divisors (734273919289).

454515555656111 is an equidigital number, since it uses as much as digits as its factorization.

454515555656111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734273919288.

The product of its digits is 45000000, while the sum is 59.

The spelling of 454515555656111 in words is "four hundred fifty-four trillion, five hundred fifteen billion, five hundred fifty-five million, six hundred fifty-six thousand, one hundred eleven".