155740586140253 has 2 divisors, whose sum is σ = 155740586140254. Its totient is φ = 155740586140252.

The previous prime is 155740586140213. The next prime is 155740586140313. The reversal of 155740586140253 is 352041685047551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118516274164324 + 37224311975929 = 10886518^2 + 6101173^2 .

It is a cyclic number.

It is not a de Polignac number, because 155740586140253 - 2¹⁸ = 155740585878109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155740586140213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77870293070126 + 77870293070127.

It is an arithmetic number, because the mean of its divisors is an integer number (77870293070127).

Almost surely, 2^{155740586140253} is an apocalyptic number.

It is an amenable number.

155740586140253 is a deficient number, since it is larger than the sum of its proper divisors (1).

155740586140253 is an equidigital number, since it uses as much as digits as its factorization.

155740586140253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160000, while the sum is 56.

The spelling of 155740586140253 in words is "one hundred fifty-five trillion, seven hundred forty billion, five hundred eighty-six million, one hundred forty thousand, two hundred fifty-three".