611420109428 has 12 divisors (see below), whose sum is σ = 1069991711712. Its totient is φ = 305708191800.

The previous prime is 611420109389. The next prime is 611420109449. The reversal of 611420109428 is 824901024116.

It is a junction number, because it is equal to n+sod(n) for n = 611420109391 and 611420109400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491201 + ... + 1210007.

It is an arithmetic number, because the mean of its divisors is an integer number (89165975976).

Almost surely, 2^611420109428 is an apocalyptic number.

It is an amenable number.

611420109428 is a deficient number, since it is larger than the sum of its proper divisors (458571602284).

611420109428 is a wasteful number, since it uses less digits than its factorization.

611420109428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931462 (or 931460 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 611420109428 in words is "six hundred eleven billion, four hundred twenty million, one hundred nine thousand, four hundred twenty-eight".