6215778689130 has 48 divisors (see below), whose sum is σ = 16166815651584. Its totient is φ = 1656947028960.

The previous prime is 6215778689063. The next prime is 6215778689167. The reversal of 6215778689130 is 319868775126.

6215778689130 is a `hidden beast` number, since 6 + 21 + 577 + 8 + 6 + 8 + 9 + 1 + 30 = 666.

It is a super-2 number, since 2×6215778689130² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12121474 + ... + 12623853.

It is an arithmetic number, because the mean of its divisors is an integer number (336808659408).

Almost surely, 2^{6215778689130} is an apocalyptic number.

6215778689130 is an abundant number, since it is smaller than the sum of its proper divisors (9951036962454).

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

6215778689130 is a wasteful number, since it uses less digits than its factorization.

6215778689130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24748131 (or 24748128 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 6215778689130 in words is "six trillion, two hundred fifteen billion, seven hundred seventy-eight million, six hundred eighty-nine thousand, one hundred thirty".