10617235121720 has 16 divisors (see below), whose sum is σ = 23888779023960. Its totient is φ = 4246894048672.

The previous prime is 10617235121707. The next prime is 10617235121741. The reversal of 10617235121720 is 2712153271601.

It is a super-2 number, since 2×10617235121720² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132715438982 + ... + 132715439061.

Almost surely, 2^{10617235121720} is an apocalyptic number.

10617235121720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10617235121720 is an abundant number, since it is smaller than the sum of its proper divisors (13271543902240).

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

10617235121720 is a wasteful number, since it uses less digits than its factorization.

10617235121720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265430878054 (or 265430878050 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 10617235121720 in words is "ten trillion, six hundred seventeen billion, two hundred thirty-five million, one hundred twenty-one thousand, seven hundred twenty".