1354373163225 has 72 divisors (see below), whose sum is σ = 2433624432512. Its totient is φ = 720015609600.

The previous prime is 1354373163211. The next prime is 1354373163257. The reversal of 1354373163225 is 5223613734531.

1354373163225 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 3 + 7 + 3 + 1 + 632 + 2 + 5 = 666.

It is not a de Polignac number, because 1354373163225 - 2¹⁷ = 1354373032153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 109296780 + ... + 109309170.

Almost surely, 2^{1354373163225} is an apocalyptic number.

1354373163225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1354373163225 is a deficient number, since it is larger than the sum of its proper divisors (1079251269287).

1354373163225 is a wasteful number, since it uses less digits than its factorization.

1354373163225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13927 (or 13919 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 45.

Adding to 1354373163225 its reverse (5223613734531), we get a palindrome (6577986897756).

The spelling of 1354373163225 in words is "one trillion, three hundred fifty-four billion, three hundred seventy-three million, one hundred sixty-three thousand, two hundred twenty-five".