1351705121056 has 24 divisors (see below), whose sum is σ = 2776872478464. Its totient is φ = 646467666240.

The previous prime is 1351705121023. The next prime is 1351705121147. The reversal of 1351705121056 is 6501215071531.

It is a super-2 number, since 2×1351705121056² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918277200 + ... + 918278671.

It is an arithmetic number, because the mean of its divisors is an integer number (115703019936).

Almost surely, 2^{1351705121056} is an apocalyptic number.

1351705121056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1351705121056 is an abundant number, since it is smaller than the sum of its proper divisors (1425167357408).

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

1351705121056 is a wasteful number, since it uses less digits than its factorization.

1351705121056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836555904 (or 1836555896 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 1351705121056 in words is "one trillion, three hundred fifty-one billion, seven hundred five million, one hundred twenty-one thousand, fifty-six".