155484905753 has 2 divisors, whose sum is σ = 155484905754. Its totient is φ = 155484905752.

The previous prime is 155484905731. The next prime is 155484905761. The reversal of 155484905753 is 357509484551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120917543824 + 34567361929 = 347732^2 + 185923^2 .

It is a cyclic number.

It is not a de Polignac number, because 155484905753 - 2²⁴ = 155468128537 is a prime.

It is not a weakly prime, because it can be changed into another prime (155484905773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77742452876 + 77742452877.

It is an arithmetic number, because the mean of its divisors is an integer number (77742452877).

Almost surely, 2^155484905753 is an apocalyptic number.

It is an amenable number.

155484905753 is a deficient number, since it is larger than the sum of its proper divisors (1).

155484905753 is an equidigital number, since it uses as much as digits as its factorization.

155484905753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120000, while the sum is 56.

The spelling of 155484905753 in words is "one hundred fifty-five billion, four hundred eighty-four million, nine hundred five thousand, seven hundred fifty-three".