6411251560 has 128 divisors (see below), whose sum is σ = 17147116800. Its totient is φ = 2110832640.

The previous prime is 6411251551. The next prime is 6411251591. The reversal of 6411251560 is 651521146.

It is a super-2 number, since 2×6411251560² = 82208293131204867200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1565115 + ... + 1569205.

It is an arithmetic number, because the mean of its divisors is an integer number (133961850).

Almost surely, 2^6411251560 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 6411251560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8573558400).

6411251560 is an abundant number, since it is smaller than the sum of its proper divisors (10735865240).

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

6411251560 is a wasteful number, since it uses less digits than its factorization.

6411251560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331 (or 4327 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 6411251560 is about 80070.2913695211. The cubic root of 6411251560 is about 1857.7229196996.

The spelling of 6411251560 in words is "six billion, four hundred eleven million, two hundred fifty-one thousand, five hundred sixty".