1154322051225 has 24 divisors (see below), whose sum is σ = 2181119000640. Its totient is φ = 527690080320.

The previous prime is 1154322051217. The next prime is 1154322051269. The reversal of 1154322051225 is 5221502234511.

It is not a de Polignac number, because 1154322051225 - 2³ = 1154322051217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099353810 + ... + 1099354859.

It is an arithmetic number, because the mean of its divisors is an integer number (90879958360).

Almost surely, 2^{1154322051225} is an apocalyptic number.

1154322051225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1154322051225 is a deficient number, since it is larger than the sum of its proper divisors (1026796949415).

1154322051225 is a wasteful number, since it uses less digits than its factorization.

1154322051225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198708689 (or 2198708684 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1154322051225 its reverse (5221502234511), we get a palindrome (6375824285736).

The spelling of 1154322051225 in words is "one trillion, one hundred fifty-four billion, three hundred twenty-two million, fifty-one thousand, two hundred twenty-five".