1201785260358 has 24 divisors (see below), whose sum is σ = 2412094678488. Its totient is φ = 399179396832.

The previous prime is 1201785260341. The next prime is 1201785260393. The reversal of 1201785260358 is 8530625871021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 769935 + ... + 1731002.

It is an arithmetic number, because the mean of its divisors is an integer number (100503944937).

Almost surely, 2^{1201785260358} is an apocalyptic number.

1201785260358 is an abundant number, since it is smaller than the sum of its proper divisors (1210309418130).

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

1201785260358 is an equidigital number, since it uses as much as digits as its factorization.

1201785260358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501508 (or 2501225 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 1201785260358 in words is "one trillion, two hundred one billion, seven hundred eighty-five million, two hundred sixty thousand, three hundred fifty-eight".