3155345435257 has 2 divisors, whose sum is σ = 3155345435258. Its totient is φ = 3155345435256.

The previous prime is 3155345435197. The next prime is 3155345435269. The reversal of 3155345435257 is 7525345435513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3137276967696 + 18068467561 = 1771236^2 + 134419^2 .

It is a cyclic number.

It is not a de Polignac number, because 3155345435257 - 2¹⁹ = 3155344910969 is a prime.

It is not a weakly prime, because it can be changed into another prime (3155345235257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577672717628 + 1577672717629.

It is an arithmetic number, because the mean of its divisors is an integer number (1577672717629).

Almost surely, 2^{3155345435257} is an apocalyptic number.

It is an amenable number.

3155345435257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3155345435257 is an equidigital number, since it uses as much as digits as its factorization.

3155345435257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900000, while the sum is 52.

The spelling of 3155345435257 in words is "three trillion, one hundred fifty-five billion, three hundred forty-five million, four hundred thirty-five thousand, two hundred fifty-seven".