105402455115 has 16 divisors (see below), whose sum is σ = 168705520416. Its totient is φ = 56194112000.

The previous prime is 105402455087. The next prime is 105402455129. The reversal of 105402455115 is 511554204501.

It is a happy number.

It is not a de Polignac number, because 105402455115 - 2⁵ = 105402455083 is a prime.

It is a super-2 number, since 2×105402455115² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240686 + ... + 1322915.

It is an arithmetic number, because the mean of its divisors is an integer number (10544095026).

Almost surely, 2^105402455115 is an apocalyptic number.

105402455115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105402455115 is a deficient number, since it is larger than the sum of its proper divisors (63303065301).

105402455115 is a wasteful number, since it uses less digits than its factorization.

105402455115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566350.

The product of its (nonzero) digits is 20000, while the sum is 33.

Adding to 105402455115 its reverse (511554204501), we get a palindrome (616956659616).

The spelling of 105402455115 in words is "one hundred five billion, four hundred two million, four hundred fifty-five thousand, one hundred fifteen".