1351101216440 has 64 divisors (see below), whose sum is σ = 3082407955200. Its totient is φ = 532937576448.

The previous prime is 1351101216401. The next prime is 1351101216463. The reversal of 1351101216440 is 446121011531.

It is a congruent number.

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, 446201 + ... + 1703319.

It is an arithmetic number, because the mean of its divisors is an integer number (48162624300).

Almost surely, 2^{1351101216440} is an apocalyptic number.

1351101216440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1351101216440 is an abundant number, since it is smaller than the sum of its proper divisors (1731306738760).

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

1351101216440 is a wasteful number, since it uses less digits than its factorization.

1351101216440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257504 (or 1257500 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 1351101216440 its reverse (446121011531), we get a palindrome (1797222227971).

The spelling of 1351101216440 in words is "one trillion, three hundred fifty-one billion, one hundred one million, two hundred sixteen thousand, four hundred forty".