105345231511 has 32 divisors (see below), whose sum is σ = 124687342080. Its totient is φ = 88065014400.

The previous prime is 105345231479. The next prime is 105345231527. The reversal of 105345231511 is 115132543501.

It is a cyclic number.

It is not a de Polignac number, because 105345231511 - 2⁵ = 105345231479 is a prime.

It is a super-2 number, since 2×105345231511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105345231581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11419881 + ... + 11429101.

It is an arithmetic number, because the mean of its divisors is an integer number (3896479440).

Almost surely, 2^105345231511 is an apocalyptic number.

105345231511 is a deficient number, since it is larger than the sum of its proper divisors (19342110569).

105345231511 is a wasteful number, since it uses less digits than its factorization.

105345231511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11287.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 105345231511 in words is "one hundred five billion, three hundred forty-five million, two hundred thirty-one thousand, five hundred eleven".