1351633144556 has 6 divisors (see below), whose sum is σ = 2365358002980. Its totient is φ = 675816572276.

The previous prime is 1351633144531. The next prime is 1351633144559. The reversal of 1351633144556 is 6554413361531.

It is a self number, because there is not a number n which added to its sum of digits gives 1351633144556.

It is not an unprimeable number, because it can be changed into a prime (1351633144559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168954143066 + ... + 168954143073.

It is an arithmetic number, because the mean of its divisors is an integer number (394226333830).

Almost surely, 2^{1351633144556} is an apocalyptic number.

It is an amenable number.

1351633144556 is a deficient number, since it is larger than the sum of its proper divisors (1013724858424).

1351633144556 is a wasteful number, since it uses less digits than its factorization.

1351633144556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337908286143 (or 337908286141 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 47.

The spelling of 1351633144556 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-three million, one hundred forty-four thousand, five hundred fifty-six".