155512140319 has 2 divisors, whose sum is σ = 155512140320. Its totient is φ = 155512140318.

The previous prime is 155512140299. The next prime is 155512140341. The reversal of 155512140319 is 913041215551.

It is a weak prime.

It is an emirp because it is prime and its reverse (913041215551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155512140319 - 2⁹ = 155512139807 is a prime.

It is a super-2 number, since 2×155512140319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155512140349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77756070159 + 77756070160.

It is an arithmetic number, because the mean of its divisors is an integer number (77756070160).

Almost surely, 2^155512140319 is an apocalyptic number.

155512140319 is a deficient number, since it is larger than the sum of its proper divisors (1).

155512140319 is an equidigital number, since it uses as much as digits as its factorization.

155512140319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 155512140319 in words is "one hundred fifty-five billion, five hundred twelve million, one hundred forty thousand, three hundred nineteen".