105111154454 has 16 divisors (see below), whose sum is σ = 161650336176. Its totient is φ = 51229900800.

The previous prime is 105111154417. The next prime is 105111154471. The reversal of 105111154454 is 454451111501.

It is a super-2 number, since 2×105111154454² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105111154454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451307 + ... + 643350.

It is an arithmetic number, because the mean of its divisors is an integer number (10103146011).

Almost surely, 2^105111154454 is an apocalyptic number.

105111154454 is a deficient number, since it is larger than the sum of its proper divisors (56539181722).

105111154454 is a wasteful number, since it uses less digits than its factorization.

105111154454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095871.

The product of its (nonzero) digits is 8000, while the sum is 32.

Adding to 105111154454 its reverse (454451111501), we get a palindrome (559562265955).

The spelling of 105111154454 in words is "one hundred five billion, one hundred eleven million, one hundred fifty-four thousand, four hundred fifty-four".