140512111031105 has 64 divisors (see below), whose sum is σ = 193759687699200. Its totient is φ = 96744527953920.

The previous prime is 140512111031081. The next prime is 140512111031107. The reversal of 140512111031105 is 501130111215041.

It is a happy number.

It is not a de Polignac number, because 140512111031105 - 2⁶ = 140512111031041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140512111031107) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11445144227 + ... + 11445156503.

It is an arithmetic number, because the mean of its divisors is an integer number (3027495120300).

Almost surely, 2^{140512111031105} is an apocalyptic number.

It is an amenable number.

140512111031105 is a deficient number, since it is larger than the sum of its proper divisors (53247576668095).

140512111031105 is a wasteful number, since it uses less digits than its factorization.

140512111031105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19074.

The product of its (nonzero) digits is 600, while the sum is 26.

Adding to 140512111031105 its reverse (501130111215041), we get a palindrome (641642222246146).

The spelling of 140512111031105 in words is "one hundred forty trillion, five hundred twelve billion, one hundred eleven million, thirty-one thousand, one hundred five".