1351345005220 has 96 divisors (see below), whose sum is σ = 3446773585920. Its totient is φ = 434443008000.

The previous prime is 1351345005187. The next prime is 1351345005221. The reversal of 1351345005220 is 225005431531.

It is a super-2 number, since 2×1351345005220² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1351345005221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415156 + ... + 1695595.

It is an arithmetic number, because the mean of its divisors is an integer number (35903891520).

Almost surely, 2^{1351345005220} is an apocalyptic number.

1351345005220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1351345005220 is an abundant number, since it is smaller than the sum of its proper divisors (2095428580700).

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

1351345005220 is a wasteful number, since it uses less digits than its factorization.

1351345005220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111053 (or 2111051 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 1351345005220 in words is "one trillion, three hundred fifty-one billion, three hundred forty-five million, five thousand, two hundred twenty".