1355747490552 has 128 divisors (see below), whose sum is σ = 4177982592000. Its totient is φ = 357006763008.

The previous prime is 1355747490551. The next prime is 1355747490599. The reversal of 1355747490552 is 2550947475531.

It is a junction number, because it is equal to n+sod(n) for n = 1355747490492 and 1355747490501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355747490551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 933324 + ... + 1892772.

It is an arithmetic number, because the mean of its divisors is an integer number (32640489000).

Almost surely, 2^{1355747490552} is an apocalyptic number.

1355747490552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355747490552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2088991296000).

1355747490552 is an abundant number, since it is smaller than the sum of its proper divisors (2822235101448).

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

1355747490552 is a wasteful number, since it uses less digits than its factorization.

1355747490552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960125 (or 960121 counting only the distinct ones).

The product of its (nonzero) digits is 26460000, while the sum is 57.

The spelling of 1355747490552 in words is "one trillion, three hundred fifty-five billion, seven hundred forty-seven million, four hundred ninety thousand, five hundred fifty-two".