11005534454 has 16 divisors (see below), whose sum is σ = 17384099040. Its totient is φ = 5215224960.

The previous prime is 11005534453. The next prime is 11005534469. The reversal of 11005534454 is 45443550011.

It is a super-2 number, since 2×11005534454² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11005534454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005534453) 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, 1092467 + ... + 1102494.

It is an arithmetic number, because the mean of its divisors is an integer number (1086506190).

Almost surely, 2^11005534454 is an apocalyptic number.

11005534454 is a deficient number, since it is larger than the sum of its proper divisors (6378564586).

11005534454 is a wasteful number, since it uses less digits than its factorization.

11005534454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195095.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 11005534454 in words is "eleven billion, five million, five hundred thirty-four thousand, four hundred fifty-four".