5851996139520 has 1248 divisors, whose sum is σ = 21762358345728. Its totient is φ = 1507611377664.

The previous prime is 5851996139501. The next prime is 5851996139543. The reversal of 5851996139520 is 259316991585.

5851996139520 is a `hidden beast` number, since 5 + 8 + 5 + 1 + 9 + 9 + 613 + 9 + 5 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29705564062 + ... + 29705564258.

It is an arithmetic number, because the mean of its divisors is an integer number (17437787136).

Almost surely, 2^{5851996139520} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5851996139520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10881179172864).

5851996139520 is an abundant number, since it is smaller than the sum of its proper divisors (15910362206208).

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

5851996139520 is a wasteful number, since it uses less digits than its factorization.

5851996139520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 26244000, while the sum is 63.

The spelling of 5851996139520 in words is "five trillion, eight hundred fifty-one billion, nine hundred ninety-six million, one hundred thirty-nine thousand, five hundred twenty".