61010550552 has 256 divisors, whose sum is σ = 193052160000. Its totient is φ = 15673029120.

The previous prime is 61010550551. The next prime is 61010550553. The reversal of 61010550552 is 25505501016.

It is an interprime number because it is at equal distance from previous prime (61010550551) and next prime (61010550553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61010550551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5455927 + ... + 5467097.

It is an arithmetic number, because the mean of its divisors is an integer number (754110000).

Almost surely, 2^61010550552 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 61010550552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96526080000).

61010550552 is an abundant number, since it is smaller than the sum of its proper divisors (132041609448).

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

61010550552 is a wasteful number, since it uses less digits than its factorization.

61010550552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294 (or 11290 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 61010550552 in words is "sixty-one billion, ten million, five hundred fifty thousand, five hundred fifty-two".