155701404530131 has 2 divisors, whose sum is σ = 155701404530132. Its totient is φ = 155701404530130.

The previous prime is 155701404530129. The next prime is 155701404530153. The reversal of 155701404530131 is 131035404107551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155701404530131 - 2¹ = 155701404530129 is a prime.

It is a super-2 number, since 2×155701404530131² (a number of 29 digits) contains 22 as substring.

Together with 155701404530129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (155701404530531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77850702265065 + 77850702265066.

It is an arithmetic number, because the mean of its divisors is an integer number (77850702265066).

Almost surely, 2^{155701404530131} is an apocalyptic number.

155701404530131 is a deficient number, since it is larger than the sum of its proper divisors (1).

155701404530131 is an equidigital number, since it uses as much as digits as its factorization.

155701404530131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 40.

Adding to 155701404530131 its reverse (131035404107551), we get a palindrome (286736808637682).

The spelling of 155701404530131 in words is "one hundred fifty-five trillion, seven hundred one billion, four hundred four million, five hundred thirty thousand, one hundred thirty-one".