60511061550 has 96 divisors (see below), whose sum is σ = 154299124224. Its totient is φ = 15684192000.

The previous prime is 60511061453. The next prime is 60511061573. The reversal of 60511061550 is 5516011506.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1648497 + ... + 1684803.

It is an arithmetic number, because the mean of its divisors is an integer number (1607282544).

Almost surely, 2^60511061550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60511061550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77149562112).

60511061550 is an abundant number, since it is smaller than the sum of its proper divisors (93788062674).

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

60511061550 is a wasteful number, since it uses less digits than its factorization.

60511061550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36634 (or 36629 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

It can be divided in two parts, 6051 and 1061550, that added together give a palindrome (1067601).

The spelling of 60511061550 in words is "sixty billion, five hundred eleven million, sixty-one thousand, five hundred fifty".