1351241553544 has 32 divisors (see below), whose sum is σ = 2554307712000. Its totient is φ = 670096082880.

The previous prime is 1351241553533. The next prime is 1351241553547. The reversal of 1351241553544 is 4453551421531.

It is a self number, because there is not a number n which added to its sum of digits gives 1351241553544.

It is not an unprimeable number, because it can be changed into a prime (1351241553547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3150214 + ... + 3553354.

It is an arithmetic number, because the mean of its divisors is an integer number (79822116000).

Almost surely, 2^{1351241553544} is an apocalyptic number.

It is an amenable number.

1351241553544 is a deficient number, since it is larger than the sum of its proper divisors (1203066158456).

1351241553544 is a wasteful number, since it uses less digits than its factorization.

1351241553544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406573 (or 406569 counting only the distinct ones).

The product of its digits is 720000, while the sum is 43.

The spelling of 1351241553544 in words is "one trillion, three hundred fifty-one billion, two hundred forty-one million, five hundred fifty-three thousand, five hundred forty-four".