155496937511 has 2 divisors, whose sum is σ = 155496937512. Its totient is φ = 155496937510.

The previous prime is 155496937487. The next prime is 155496937571. The reversal of 155496937511 is 115739694551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155496937511 - 2¹⁴ = 155496921127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155496937571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77748468755 + 77748468756.

It is an arithmetic number, because the mean of its divisors is an integer number (77748468756).

Almost surely, 2^155496937511 is an apocalyptic number.

155496937511 is a deficient number, since it is larger than the sum of its proper divisors (1).

155496937511 is an equidigital number, since it uses as much as digits as its factorization.

155496937511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5103000, while the sum is 56.

The spelling of 155496937511 in words is "one hundred fifty-five billion, four hundred ninety-six million, nine hundred thirty-seven thousand, five hundred eleven".