1355898427215 has 8 divisors (see below), whose sum is σ = 2169437483568. Its totient is φ = 723145827840.

The previous prime is 1355898427181. The next prime is 1355898427277. The reversal of 1355898427215 is 5127248985531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1355898427215 - 2⁶ = 1355898427151 is a prime.

It is a super-2 number, since 2×1355898427215² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45196614226 + ... + 45196614255.

It is an arithmetic number, because the mean of its divisors is an integer number (271179685446).

Almost surely, 2^{1355898427215} is an apocalyptic number.

1355898427215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1355898427215 is a deficient number, since it is larger than the sum of its proper divisors (813539056353).

1355898427215 is an equidigital number, since it uses as much as digits as its factorization.

1355898427215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90393228489.

The product of its digits is 24192000, while the sum is 60.

The spelling of 1355898427215 in words is "one trillion, three hundred fifty-five billion, eight hundred ninety-eight million, four hundred twenty-seven thousand, two hundred fifteen".