1351064120556 has 48 divisors (see below), whose sum is σ = 3320904527360. Its totient is φ = 426330216000.

The previous prime is 1351064120551. The next prime is 1351064120569. The reversal of 1351064120556 is 6550214601531.

It is not an unprimeable number, because it can be changed into a prime (1351064120551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1930195 + ... + 2535306.

Almost surely, 2^{1351064120556} is an apocalyptic number.

It is an amenable number.

1351064120556 is an abundant number, since it is smaller than the sum of its proper divisors (1969840406804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351064120556 is a wasteful number, since it uses less digits than its factorization.

1351064120556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466854 (or 4466852 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 1351064120556 in words is "one trillion, three hundred fifty-one billion, sixty-four million, one hundred twenty thousand, five hundred fifty-six".