155425035239 has 2 divisors, whose sum is σ = 155425035240. Its totient is φ = 155425035238.

The previous prime is 155425035169. The next prime is 155425035251. The reversal of 155425035239 is 932530524551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155425035239 - 2³² = 151130067943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155425035239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155425035299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77712517619 + 77712517620.

It is an arithmetic number, because the mean of its divisors is an integer number (77712517620).

Almost surely, 2^155425035239 is an apocalyptic number.

155425035239 is a deficient number, since it is larger than the sum of its proper divisors (1).

155425035239 is an equidigital number, since it uses as much as digits as its factorization.

155425035239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 155425035239 in words is "one hundred fifty-five billion, four hundred twenty-five million, thirty-five thousand, two hundred thirty-nine".