105452387715 has 32 divisors (see below), whose sum is σ = 169892536320. Its totient is φ = 55852971776.

The previous prime is 105452387713. The next prime is 105452387741. The reversal of 105452387715 is 517783254501.

It is a cyclic number.

It is not a de Polignac number, because 105452387715 - 2¹ = 105452387713 is a prime.

It is a super-2 number, since 2×105452387715² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105452387713) 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, 1299196 + ... + 1377974.

It is an arithmetic number, because the mean of its divisors is an integer number (5309141760).

Almost surely, 2^105452387715 is an apocalyptic number.

105452387715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105452387715 is a deficient number, since it is larger than the sum of its proper divisors (64440148605).

105452387715 is a wasteful number, since it uses less digits than its factorization.

105452387715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79403.

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 105452387715 in words is "one hundred five billion, four hundred fifty-two million, three hundred eighty-seven thousand, seven hundred fifteen".