1156347654729 has 32 divisors (see below), whose sum is σ = 1593619052544. Its totient is φ = 745269719040.

The previous prime is 1156347654727. The next prime is 1156347654751. The reversal of 1156347654729 is 9274567436511.

It is not a de Polignac number, because 1156347654729 - 2¹ = 1156347654727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1156347654727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10957912 + ... + 11062934.

It is an arithmetic number, because the mean of its divisors is an integer number (49800595392).

Almost surely, 2^{1156347654729} is an apocalyptic number.

It is an amenable number.

1156347654729 is a deficient number, since it is larger than the sum of its proper divisors (437271397815).

1156347654729 is a wasteful number, since it uses less digits than its factorization.

1156347654729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105697.

The product of its digits is 38102400, while the sum is 60.

The spelling of 1156347654729 in words is "one trillion, one hundred fifty-six billion, three hundred forty-seven million, six hundred fifty-four thousand, seven hundred twenty-nine".