10861000353720 has 640 divisors, whose sum is σ = 41485902796800. Its totient is φ = 2524630809600.

The previous prime is 10861000353719. The next prime is 10861000353739. The reversal of 10861000353720 is 2735300016801.

10861000353720 is a `hidden beast` number, since 1 + 0 + 8 + 610 + 0 + 0 + 3 + 5 + 37 + 2 + 0 = 666.

It is a super-2 number, since 2×10861000353720² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 120382467 + ... + 120472653.

It is an arithmetic number, because the mean of its divisors is an integer number (64821723120).

Almost surely, 2^{10861000353720} is an apocalyptic number.

10861000353720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10861000353720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20742951398400).

10861000353720 is an abundant number, since it is smaller than the sum of its proper divisors (30624902443080).

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

10861000353720 is a wasteful number, since it uses less digits than its factorization.

10861000353720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90361 (or 90348 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 10861000353720 in words is "ten trillion, eight hundred sixty-one billion, three hundred fifty-three thousand, seven hundred twenty".