105111514451 has 2 divisors, whose sum is σ = 105111514452. Its totient is φ = 105111514450.

The previous prime is 105111514433. The next prime is 105111514537. The reversal of 105111514451 is 154415111501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105111514451 - 2¹⁰ = 105111513427 is a prime.

It is a super-2 number, since 2×105111514451² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (105111514351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52555757225 + 52555757226.

It is an arithmetic number, because the mean of its divisors is an integer number (52555757226).

Almost surely, 2^105111514451 is an apocalyptic number.

105111514451 is a deficient number, since it is larger than the sum of its proper divisors (1).

105111514451 is an equidigital number, since it uses as much as digits as its factorization.

105111514451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 29.

Adding to 105111514451 its reverse (154415111501), we get a palindrome (259526625952).

The spelling of 105111514451 in words is "one hundred five billion, one hundred eleven million, five hundred fourteen thousand, four hundred fifty-one".