6261311552 has 56 divisors (see below), whose sum is σ = 12870557952. Its totient is φ = 3019046400.

The previous prime is 6261311473. The next prime is 6261311557. The reversal of 6261311552 is 2551131626.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (6261311557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575927 + ... + 586697.

It is an arithmetic number, because the mean of its divisors is an integer number (229831392).

Almost surely, 2^6261311552 is an apocalyptic number.

6261311552 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6261311552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6435278976).

6261311552 is an abundant number, since it is smaller than the sum of its proper divisors (6609246400).

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

6261311552 is a wasteful number, since it uses less digits than its factorization.

6261311552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11107 (or 11097 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 6261311552 is about 79128.4497004712. The cubic root of 6261311552 is about 1843.1263359614.

The spelling of 6261311552 in words is "six billion, two hundred sixty-one million, three hundred eleven thousand, five hundred fifty-two".