6113711428 has 48 divisors (see below), whose sum is σ = 12692260224. Its totient is φ = 2544791040.

The previous prime is 6113711423. The next prime is 6113711437. The reversal of 6113711428 is 8241173116.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 6113711393 and 6113711402.

It is not an unprimeable number, because it can be changed into a prime (6113711423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82776 + ... + 138127.

It is an arithmetic number, because the mean of its divisors is an integer number (264422088).

Almost surely, 2^6113711428 is an apocalyptic number.

6113711428 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6113711428 is an abundant number, since it is smaller than the sum of its proper divisors (6578548796).

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

6113711428 is a wasteful number, since it uses less digits than its factorization.

6113711428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220972 (or 220970 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 6113711428 is about 78190.2259109155. The cubic root of 6113711428 is about 1828.5281274054.

The spelling of 6113711428 in words is "six billion, one hundred thirteen million, seven hundred eleven thousand, four hundred twenty-eight".