10115131294 has 4 divisors (see below), whose sum is σ = 15172696944. Its totient is φ = 5057565646.

The previous prime is 10115131261. The next prime is 10115131309. The reversal of 10115131294 is 49213151101.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10115131294² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528782822 + ... + 2528782825.

It is an arithmetic number, because the mean of its divisors is an integer number (3793174236).

Almost surely, 2^10115131294 is an apocalyptic number.

10115131294 is a deficient number, since it is larger than the sum of its proper divisors (5057565650).

10115131294 is an equidigital number, since it uses as much as digits as its factorization.

10115131294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057565649.

The product of its (nonzero) digits is 1080, while the sum is 28.

Adding to 10115131294 its reverse (49213151101), we get a palindrome (59328282395).

The spelling of 10115131294 in words is "ten billion, one hundred fifteen million, one hundred thirty-one thousand, two hundred ninety-four".