140105115155451 has 16 divisors (see below), whose sum is σ = 187377110444160. Its totient is φ = 93118282815360.

The previous prime is 140105115155387. The next prime is 140105115155459. The reversal of 140105115155451 is 154551511501041.

It is not a de Polignac number, because 140105115155451 - 2⁶ = 140105115155387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140105115155459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29447155 + ... + 33872483.

It is an arithmetic number, because the mean of its divisors is an integer number (11711069402760).

Almost surely, 2^{140105115155451} is an apocalyptic number.

140105115155451 is a deficient number, since it is larger than the sum of its proper divisors (47271995288709).

140105115155451 is a wasteful number, since it uses less digits than its factorization.

140105115155451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457546.

The product of its (nonzero) digits is 50000, while the sum is 39.

Adding to 140105115155451 its reverse (154551511501041), we get a palindrome (294656626656492).

The spelling of 140105115155451 in words is "one hundred forty trillion, one hundred five billion, one hundred fifteen million, one hundred fifty-five thousand, four hundred fifty-one".