1358565881860 has 96 divisors (see below), whose sum is σ = 3248190554112. Its totient is φ = 472468993920.

The previous prime is 1358565881839. The next prime is 1358565881903. The reversal of 1358565881860 is 681885658531.

It is a junction number, because it is equal to n+sod(n) for n = 1358565881792 and 1358565881801.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38352277 + ... + 38387683.

It is an arithmetic number, because the mean of its divisors is an integer number (33835318272).

Almost surely, 2^{1358565881860} is an apocalyptic number.

1358565881860 is a gapful number since it is divisible by the number (10) 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 1358565881860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624095277056).

1358565881860 is an abundant number, since it is smaller than the sum of its proper divisors (1889624672252).

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

1358565881860 is a wasteful number, since it uses less digits than its factorization.

1358565881860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43033 (or 43031 counting only the distinct ones).

The product of its (nonzero) digits is 55296000, while the sum is 64.

The spelling of 1358565881860 in words is "one trillion, three hundred fifty-eight billion, five hundred sixty-five million, eight hundred eighty-one thousand, eight hundred sixty".