1353221162551 has 8 divisors (see below), whose sum is σ = 1354624409600. Its totient is φ = 1351818208728.

The previous prime is 1353221162519. The next prime is 1353221162567. The reversal of 1353221162551 is 1552611223531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1353221162551 - 2⁵ = 1353221162519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1353221162551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353221162591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9852850 + ... + 9989248.

It is an arithmetic number, because the mean of its divisors is an integer number (169328051200).

Almost surely, 2^{1353221162551} is an apocalyptic number.

1353221162551 is a deficient number, since it is larger than the sum of its proper divisors (1403247049).

1353221162551 is a wasteful number, since it uses less digits than its factorization.

1353221162551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146613.

The product of its digits is 54000, while the sum is 37.

The spelling of 1353221162551 in words is "one trillion, three hundred fifty-three billion, two hundred twenty-one million, one hundred sixty-two thousand, five hundred fifty-one".