1147681831015 has 4 divisors (see below), whose sum is σ = 1377218197224. Its totient is φ = 918145464808.

The previous prime is 1147681831007. The next prime is 1147681831027. The reversal of 1147681831015 is 5101381867411.

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

It is a cyclic number.

It is not a de Polignac number, because 1147681831015 - 2³ = 1147681831007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114768183097 + ... + 114768183106.

It is an arithmetic number, because the mean of its divisors is an integer number (344304549306).

Almost surely, 2^{1147681831015} is an apocalyptic number.

1147681831015 is a deficient number, since it is larger than the sum of its proper divisors (229536366209).

1147681831015 is an equidigital number, since it uses as much as digits as its factorization.

1147681831015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229536366208.

The product of its (nonzero) digits is 161280, while the sum is 46.

The spelling of 1147681831015 in words is "one trillion, one hundred forty-seven billion, six hundred eighty-one million, eight hundred thirty-one thousand, fifteen".