1156481260647 has 8 divisors (see below), whose sum is σ = 1541982942720. Its totient is φ = 770983542840.

The previous prime is 1156481260601. The next prime is 1156481260657. The reversal of 1156481260647 is 7460621846511.

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

It is not a de Polignac number, because 1156481260647 - 2⁸ = 1156481260391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1156481260647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156481260657) 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, 225997 + ... + 1537542.

It is an arithmetic number, because the mean of its divisors is an integer number (192747867840).

Almost surely, 2^{1156481260647} is an apocalyptic number.

1156481260647 is a deficient number, since it is larger than the sum of its proper divisors (385501682073).

1156481260647 is a wasteful number, since it uses less digits than its factorization.

1156481260647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982133.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 1156481260647 in words is "one trillion, one hundred fifty-six billion, four hundred eighty-one million, two hundred sixty thousand, six hundred forty-seven".