1147344215379 has 16 divisors (see below), whose sum is σ = 1541352748800. Its totient is φ = 759135278880.

The previous prime is 1147344215333. The next prime is 1147344215387. The reversal of 1147344215379 is 9735124437411.

It is not a de Polignac number, because 1147344215379 - 2¹² = 1147344211283 is a prime.

It is a super-2 number, since 2×1147344215379² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1147344215399) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 2183457 + ... + 2657474.

It is an arithmetic number, because the mean of its divisors is an integer number (96334546800).

Almost surely, 2^{1147344215379} is an apocalyptic number.

1147344215379 is a deficient number, since it is larger than the sum of its proper divisors (394008533421).

1147344215379 is a wasteful number, since it uses less digits than its factorization.

1147344215379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4841530.

The product of its digits is 2540160, while the sum is 51.

It can be divided in two parts, 11473442 and 15379, that added together give a triangular number (11488821 = T₄₇₉₃).

The spelling of 1147344215379 in words is "one trillion, one hundred forty-seven billion, three hundred forty-four million, two hundred fifteen thousand, three hundred seventy-nine".