611060561064 has 80 divisors (see below), whose sum is σ = 1717626752820. Its totient is φ = 202961928960.

The previous prime is 611060561057. The next prime is 611060561071. The reversal of 611060561064 is 460165060116.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (611060561057) and next prime (611060561071).

It can be written as a sum of positive squares in 2 ways, for example, as 604129998564 + 6930562500 = 777258^2 + 83250^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1495839 + ... + 1860014.

Almost surely, 2^611060561064 is an apocalyptic number.

It is an amenable number.

611060561064 is an abundant number, since it is smaller than the sum of its proper divisors (1106566191756).

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

611060561064 is a wasteful number, since it uses less digits than its factorization.

611060561064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356152 (or 3356139 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 611060561064 in words is "six hundred eleven billion, sixty million, five hundred sixty-one thousand, sixty-four".