1371121407536 has 20 divisors (see below), whose sum is σ = 2690174916000. Its totient is φ = 676882719552.

The previous prime is 1371121407517. The next prime is 1371121407541. The reversal of 1371121407536 is 6357041211731.

It is a junction number, because it is equal to n+sod(n) for n = 1371121407493 and 1371121407502.

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, 542372711 + ... + 542375238.

It is an arithmetic number, because the mean of its divisors is an integer number (134508745800).

Almost surely, 2^{1371121407536} is an apocalyptic number.

1371121407536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1371121407536 is a deficient number, since it is larger than the sum of its proper divisors (1319053508464).

1371121407536 is a wasteful number, since it uses less digits than its factorization.

1371121407536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084748036 (or 1084748030 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 1371121407536 in words is "one trillion, three hundred seventy-one billion, one hundred twenty-one million, four hundred seven thousand, five hundred thirty-six".