1153040221401 has 4 divisors (see below), whose sum is σ = 1537386961872. Its totient is φ = 768693480932.

The previous prime is 1153040221393. The next prime is 1153040221427. The reversal of 1153040221401 is 1041220403511.

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 1153040221401 - 2³ = 1153040221393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153040221451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192173370231 + ... + 192173370236.

It is an arithmetic number, because the mean of its divisors is an integer number (384346740468).

Almost surely, 2^{1153040221401} is an apocalyptic number.

It is an amenable number.

1153040221401 is a deficient number, since it is larger than the sum of its proper divisors (384346740471).

1153040221401 is an equidigital number, since it uses as much as digits as its factorization.

1153040221401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384346740470.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 1153040221401 its reverse (1041220403511), we get a palindrome (2194260624912).

The spelling of 1153040221401 in words is "one trillion, one hundred fifty-three billion, forty million, two hundred twenty-one thousand, four hundred one".