1161025500030 has 256 divisors, whose sum is σ = 3209701386240. Its totient is φ = 266147481600.

The previous prime is 1161025500007. The next prime is 1161025500079. The reversal of 1161025500030 is 300055201611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 335264079 + ... + 335267541.

It is an arithmetic number, because the mean of its divisors is an integer number (12537896040).

Almost surely, 2^{1161025500030} is an apocalyptic number.

1161025500030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161025500030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604850693120).

1161025500030 is an abundant number, since it is smaller than the sum of its proper divisors (2048675886210).

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

1161025500030 is a wasteful number, since it uses less digits than its factorization.

1161025500030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227.

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 1161025500030 in words is "one trillion, one hundred sixty-one billion, twenty-five million, five hundred thousand, thirty".