155532141235651 has 2 divisors, whose sum is σ = 155532141235652. Its totient is φ = 155532141235650.

The previous prime is 155532141235547. The next prime is 155532141235661. The reversal of 155532141235651 is 156532141235551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155532141235651 - 2¹⁷ = 155532141104579 is a prime.

It is a super-3 number, since 3×155532141235651³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 155532141235595 and 155532141235604.

It is not a weakly prime, because it can be changed into another prime (155532141235661) 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, 77766070617825 + 77766070617826.

It is an arithmetic number, because the mean of its divisors is an integer number (77766070617826).

Almost surely, 2^{155532141235651} is an apocalyptic number.

155532141235651 is a deficient number, since it is larger than the sum of its proper divisors (1).

155532141235651 is an equidigital number, since it uses as much as digits as its factorization.

155532141235651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700000, while the sum is 49.

The spelling of 155532141235651 in words is "one hundred fifty-five trillion, five hundred thirty-two billion, one hundred forty-one million, two hundred thirty-five thousand, six hundred fifty-one".