1351642674225 has 12 divisors (see below), whose sum is σ = 2234715888176. Its totient is φ = 720876092880.

The previous prime is 1351642674211. The next prime is 1351642674269. The reversal of 1351642674225 is 5224762461531.

It is a happy number.

It is not a de Polignac number, because 1351642674225 - 2¹⁵ = 1351642641457 is a prime.

It is a super-3 number, since 3×1351642674225³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9010951087 + ... + 9010951236.

Almost surely, 2^{1351642674225} is an apocalyptic number.

1351642674225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351642674225 is a deficient number, since it is larger than the sum of its proper divisors (883073213951).

1351642674225 is a wasteful number, since it uses less digits than its factorization.

1351642674225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18021902336 (or 18021902331 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The spelling of 1351642674225 in words is "one trillion, three hundred fifty-one billion, six hundred forty-two million, six hundred seventy-four thousand, two hundred twenty-five".