1156071256743 has 16 divisors (see below), whose sum is σ = 1660043661920. Its totient is φ = 711409647744.

The previous prime is 1156071256727. The next prime is 1156071256751. The reversal of 1156071256743 is 3476521706511.

It is not a de Polignac number, because 1156071256743 - 2⁴ = 1156071256727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1156071256692 and 1156071256701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156071256243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181205 + ... + 1925457.

It is an arithmetic number, because the mean of its divisors is an integer number (103752728870).

Almost surely, 2^{1156071256743} is an apocalyptic number.

1156071256743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1156071256743 is a deficient number, since it is larger than the sum of its proper divisors (503972405177).

1156071256743 is a wasteful number, since it uses less digits than its factorization.

1156071256743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784098.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 1156071256743 in words is "one trillion, one hundred fifty-six billion, seventy-one million, two hundred fifty-six thousand, seven hundred forty-three".