1355561620064 has 48 divisors (see below), whose sum is σ = 2711109048480. Its totient is φ = 667059563520.

The previous prime is 1355561620019. The next prime is 1355561620121. The reversal of 1355561620064 is 4600261655531.

It is a super-3 number, since 3×1355561620064³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1355561619997 and 1355561620024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768482 + ... + 1817054.

It is an arithmetic number, because the mean of its divisors is an integer number (56481438510).

Almost surely, 2^{1355561620064} is an apocalyptic number.

It is an amenable number.

1355561620064 is a deficient number, since it is larger than the sum of its proper divisors (1355547428416).

1355561620064 is a wasteful number, since it uses less digits than its factorization.

1355561620064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049223 (or 1049215 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 1355561620064 in words is "one trillion, three hundred fifty-five billion, five hundred sixty-one million, six hundred twenty thousand, sixty-four".