105150078788515 has 32 divisors (see below), whose sum is σ = 127868832000000. Its totient is φ = 83003217298560.

The previous prime is 105150078788497. The next prime is 105150078788567. The reversal of 105150078788515 is 515887870051501.

It is not a de Polignac number, because 105150078788515 - 2³³ = 105141488853923 is a prime.

It is a super-2 number, since 2×105150078788515² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87766486 + ... + 88956484.

It is an arithmetic number, because the mean of its divisors is an integer number (3995901000000).

Almost surely, 2^{105150078788515} is an apocalyptic number.

105150078788515 is a deficient number, since it is larger than the sum of its proper divisors (22718753211485).

105150078788515 is a wasteful number, since it uses less digits than its factorization.

105150078788515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190947.

The product of its (nonzero) digits is 15680000, while the sum is 61.

The spelling of 105150078788515 in words is "one hundred five trillion, one hundred fifty billion, seventy-eight million, seven hundred eighty-eight thousand, five hundred fifteen".