1029478850115 has 32 divisors (see below), whose sum is σ = 1774226681856. Its totient is φ = 508242007680.

The previous prime is 1029478850063. The next prime is 1029478850117. The reversal of 1029478850115 is 5110588749201.

It is a happy number.

It is not a de Polignac number, because 1029478850115 - 2⁶ = 1029478850051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1029478850117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48118284 + ... + 48139673.

It is an arithmetic number, because the mean of its divisors is an integer number (55444583808).

Almost surely, 2^{1029478850115} is an apocalyptic number.

1029478850115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1029478850115 is a deficient number, since it is larger than the sum of its proper divisors (744747831741).

1029478850115 is a wasteful number, since it uses less digits than its factorization.

1029478850115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96258019.

The product of its (nonzero) digits is 806400, while the sum is 51.

The spelling of 1029478850115 in words is "one trillion, twenty-nine billion, four hundred seventy-eight million, eight hundred fifty thousand, one hundred fifteen".