1156224284401 has 4 divisors (see below), whose sum is σ = 1156247046900. Its totient is φ = 1156201521904.

The previous prime is 1156224284399. The next prime is 1156224284407. The reversal of 1156224284401 is 1044824226511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 711500685025 + 444723599376 = 843505^2 + 666876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1156224284401 - 2¹ = 1156224284399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156224284407) 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, 11304886 + ... + 11406703.

It is an arithmetic number, because the mean of its divisors is an integer number (289061761725).

Almost surely, 2^{1156224284401} is an apocalyptic number.

It is an amenable number.

1156224284401 is a deficient number, since it is larger than the sum of its proper divisors (22762499).

1156224284401 is an equidigital number, since it uses as much as digits as its factorization.

1156224284401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22762498.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 1156224284401 in words is "one trillion, one hundred fifty-six billion, two hundred twenty-four million, two hundred eighty-four thousand, four hundred one".