1246478196355 has 16 divisors (see below), whose sum is σ = 1741709697984. Its totient is φ = 838600963200.

The previous prime is 1246478196349. The next prime is 1246478196361. The reversal of 1246478196355 is 5536918746421.

It is an interprime number because it is at equal distance from previous prime (1246478196349) and next prime (1246478196361).

It is not a de Polignac number, because 1246478196355 - 2¹¹ = 1246478194307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1246478196293 and 1246478196302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335976096 + ... + 335979805.

It is an arithmetic number, because the mean of its divisors is an integer number (108856856124).

Almost surely, 2^{1246478196355} is an apocalyptic number.

1246478196355 is a deficient number, since it is larger than the sum of its proper divisors (495231501629).

1246478196355 is an equidigital number, since it uses as much as digits as its factorization.

1246478196355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671955966.

The product of its digits is 43545600, while the sum is 61.

The spelling of 1246478196355 in words is "one trillion, two hundred forty-six billion, four hundred seventy-eight million, one hundred ninety-six thousand, three hundred fifty-five".