1351224272451 has 32 divisors (see below), whose sum is σ = 1831277859840. Its totient is φ = 886055385600.

The previous prime is 1351224272417. The next prime is 1351224272459. The reversal of 1351224272451 is 1542724221531.

It is not a de Polignac number, because 1351224272451 - 2¹⁵ = 1351224239683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1351224272459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177999666 + ... + 178007256.

It is an arithmetic number, because the mean of its divisors is an integer number (57227433120).

Almost surely, 2^{1351224272451} is an apocalyptic number.

1351224272451 is a deficient number, since it is larger than the sum of its proper divisors (480053587389).

1351224272451 is a wasteful number, since it uses less digits than its factorization.

1351224272451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9507.

The product of its digits is 134400, while the sum is 39.

Adding to 1351224272451 its reverse (1542724221531), we get a palindrome (2893948493982).

The spelling of 1351224272451 in words is "one trillion, three hundred fifty-one billion, two hundred twenty-four million, two hundred seventy-two thousand, four hundred fifty-one".