6121360420540 has 24 divisors (see below), whose sum is σ = 12864588094512. Its totient is φ = 2446690604160.

The previous prime is 6121360420537. The next prime is 6121360420559. The reversal of 6121360420540 is 450240631216.

It is a junction number, because it is equal to n+sod(n) for n = 6121360420496 and 6121360420505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115820674 + ... + 115873513.

It is an arithmetic number, because the mean of its divisors is an integer number (536024503938).

Almost surely, 2^{6121360420540} is an apocalyptic number.

It is an amenable number.

6121360420540 is an abundant number, since it is smaller than the sum of its proper divisors (6743227673972).

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

6121360420540 is a wasteful number, since it uses less digits than its factorization.

6121360420540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231695517 (or 231695515 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 6121360420540 in words is "six trillion, one hundred twenty-one billion, three hundred sixty million, four hundred twenty thousand, five hundred forty".