1351162725640 has 64 divisors (see below), whose sum is σ = 3741681404160. Its totient is φ = 427620729600.

The previous prime is 1351162725631. The next prime is 1351162725641. The reversal of 1351162725640 is 465272611531.

It is a super-2 number, since 2×1351162725640² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1351162725641) 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 15 ways as a sum of consecutive naturals, for example, 185595636 + ... + 185602915.

It is an arithmetic number, because the mean of its divisors is an integer number (58463771940).

Almost surely, 2^{1351162725640} is an apocalyptic number.

1351162725640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1351162725640 is an abundant number, since it is smaller than the sum of its proper divisors (2390518678520).

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

1351162725640 is a wasteful number, since it uses less digits than its factorization.

1351162725640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371198582 (or 371198578 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 1351162725640 in words is "one trillion, three hundred fifty-one billion, one hundred sixty-two million, seven hundred twenty-five thousand, six hundred forty".