1117525721501 has 4 divisors (see below), whose sum is σ = 1277172253152. Its totient is φ = 957879189852.

The previous prime is 1117525721489. The next prime is 1117525721531. The reversal of 1117525721501 is 1051275257111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1117525721501 - 2¹⁴ = 1117525705117 is a prime.

It is a super-2 number, since 2×1117525721501² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117525721531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79823265815 + ... + 79823265828.

It is an arithmetic number, because the mean of its divisors is an integer number (319293063288).

Almost surely, 2^{1117525721501} is an apocalyptic number.

It is an amenable number.

1117525721501 is a deficient number, since it is larger than the sum of its proper divisors (159646531651).

1117525721501 is an equidigital number, since it uses as much as digits as its factorization.

1117525721501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159646531650.

The product of its (nonzero) digits is 24500, while the sum is 38.

The spelling of 1117525721501 in words is "one trillion, one hundred seventeen billion, five hundred twenty-five million, seven hundred twenty-one thousand, five hundred one".