61030157526 has 96 divisors (see below), whose sum is σ = 150855126240. Its totient is φ = 17676652032.

The previous prime is 61030157519. The next prime is 61030157537. The reversal of 61030157526 is 62575103016.

61030157526 is a `hidden beast` number, since 61 + 0 + 3 + 0 + 1 + 575 + 26 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 654306 + ... + 741738.

It is an arithmetic number, because the mean of its divisors is an integer number (1571407565).

Almost surely, 2^61030157526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61030157526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75427563120).

61030157526 is an abundant number, since it is smaller than the sum of its proper divisors (89824968714).

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

61030157526 is a wasteful number, since it uses less digits than its factorization.

61030157526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87630 (or 87627 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 61030157526 in words is "sixty-one billion, thirty million, one hundred fifty-seven thousand, five hundred twenty-six".