4511221601560 has 32 divisors (see below), whose sum is σ = 10397815646400. Its totient is φ = 1760476721920.

The previous prime is 4511221601521. The next prime is 4511221601599. The reversal of 4511221601560 is 651061221154.

It is an interprime number because it is at equal distance from previous prime (4511221601521) and next prime (4511221601599).

It is a super-2 number, since 2×4511221601560² (a number of 26 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 7 ways as a sum of consecutive naturals, for example, 1375370800 + ... + 1375374079.

It is an arithmetic number, because the mean of its divisors is an integer number (324931738950).

Almost surely, 2^{4511221601560} is an apocalyptic number.

4511221601560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4511221601560 is an abundant number, since it is smaller than the sum of its proper divisors (5886594044840).

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

4511221601560 is a wasteful number, since it uses less digits than its factorization.

4511221601560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750744931 (or 2750744927 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 4511221601560 in words is "four trillion, five hundred eleven billion, two hundred twenty-one million, six hundred one thousand, five hundred sixty".