1156322035553 has 8 divisors (see below), whose sum is σ = 1206626803200. Its totient is φ = 1106019759328.

The previous prime is 1156322035537. The next prime is 1156322035579. The reversal of 1156322035553 is 3555302236511.

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

It is a cyclic number.

It is not a de Polignac number, because 1156322035553 - 2⁴ = 1156322035537 is a prime.

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 1156322035553.

It is not an unprimeable number, because it can be changed into a prime (1156322035853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358493 + ... + 1562421.

It is an arithmetic number, because the mean of its divisors is an integer number (150828350400).

Almost surely, 2^{1156322035553} is an apocalyptic number.

It is an amenable number.

1156322035553 is a deficient number, since it is larger than the sum of its proper divisors (50304767647).

1156322035553 is a wasteful number, since it uses less digits than its factorization.

1156322035553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245711.

The product of its (nonzero) digits is 405000, while the sum is 41.

The spelling of 1156322035553 in words is "one trillion, one hundred fifty-six billion, three hundred twenty-two million, thirty-five thousand, five hundred fifty-three".