61526377050 has 192 divisors, whose sum is σ = 165967056000. Its totient is φ = 15026176000.

The previous prime is 61526377043. The next prime is 61526377093. The reversal of 61526377050 is 5077362516.

It is a junction number, because it is equal to n+sod(n) for n = 61526376993 and 61526377011.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15193426 + ... + 15197474.

It is an arithmetic number, because the mean of its divisors is an integer number (864411750).

Almost surely, 2^61526377050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61526377050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82983528000).

61526377050 is an abundant number, since it is smaller than the sum of its proper divisors (104440678950).

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

61526377050 is a wasteful number, since it uses less digits than its factorization.

61526377050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241 (or 4236 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 61526377050 in words is "sixty-one billion, five hundred twenty-six million, three hundred seventy-seven thousand, fifty".