1500116555501 has 2 divisors, whose sum is σ = 1500116555502. Its totient is φ = 1500116555500.

The previous prime is 1500116555473. The next prime is 1500116555503. The reversal of 1500116555501 is 1055556110051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1309710869476 + 190405686025 = 1144426^2 + 436355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1500116555501 is a prime.

It is a super-2 number, since 2×1500116555501² (a number of 25 digits) contains 22 as substring.

Together with 1500116555503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1500116555503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750058277750 + 750058277751.

It is an arithmetic number, because the mean of its divisors is an integer number (750058277751).

Almost surely, 2^{1500116555501} is an apocalyptic number.

It is an amenable number.

1500116555501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500116555501 is an equidigital number, since it uses as much as digits as its factorization.

1500116555501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 1500116555501 in words is "one trillion, five hundred billion, one hundred sixteen million, five hundred fifty-five thousand, five hundred one".