1156583163373 has 4 divisors (see below), whose sum is σ = 1261727087328. Its totient is φ = 1051439239420.

The previous prime is 1156583163341. The next prime is 1156583163433. The reversal of 1156583163373 is 3733613856511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1156583163373 - 2⁵ = 1156583163341 is a prime.

It is a super-2 number, since 2×1156583163373² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1156583163373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156583163313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52571961961 + ... + 52571961982.

It is an arithmetic number, because the mean of its divisors is an integer number (315431771832).

Almost surely, 2^{1156583163373} is an apocalyptic number.

It is an amenable number.

1156583163373 is a deficient number, since it is larger than the sum of its proper divisors (105143923955).

1156583163373 is a wasteful number, since it uses less digits than its factorization.

1156583163373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105143923954.

The product of its digits is 4082400, while the sum is 52.

The spelling of 1156583163373 in words is "one trillion, one hundred fifty-six billion, five hundred eighty-three million, one hundred sixty-three thousand, three hundred seventy-three".