1147205642699 has 8 divisors (see below), whose sum is σ = 1173969708912. Its totient is φ = 1120445434080.

The previous prime is 1147205642641. The next prime is 1147205642731. The reversal of 1147205642699 is 9962465027411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1147205642699 - 2²⁴ = 1147188865483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1147205642299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358292 + ... + 1556529.

It is an arithmetic number, because the mean of its divisors is an integer number (146746213614).

Almost surely, 2^{1147205642699} is an apocalyptic number.

1147205642699 is a deficient number, since it is larger than the sum of its proper divisors (26764066213).

1147205642699 is a wasteful number, since it uses less digits than its factorization.

1147205642699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928797.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 1147205642699 in words is "one trillion, one hundred forty-seven billion, two hundred five million, six hundred forty-two thousand, six hundred ninety-nine".