1153222401320 has 64 divisors (see below), whose sum is σ = 2839857451200. Its totient is φ = 417987578880.

The previous prime is 1153222401311. The next prime is 1153222401341. The reversal of 1153222401320 is 231042223511.

It is a self number, because there is not a number n which added to its sum of digits gives 1153222401320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4133585 + ... + 4403744.

It is an arithmetic number, because the mean of its divisors is an integer number (44372772675).

Almost surely, 2^{1153222401320} is an apocalyptic number.

1153222401320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153222401320 is an abundant number, since it is smaller than the sum of its proper divisors (1686635049880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153222401320 is a wasteful number, since it uses less digits than its factorization.

1153222401320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8537658 (or 8537654 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1153222401320 its reverse (231042223511), we get a palindrome (1384264624831).

The spelling of 1153222401320 in words is "one trillion, one hundred fifty-three billion, two hundred twenty-two million, four hundred one thousand, three hundred twenty".