155154611404823 has 2 divisors, whose sum is σ = 155154611404824. Its totient is φ = 155154611404822.

The previous prime is 155154611404747. The next prime is 155154611404841. The reversal of 155154611404823 is 328404116451551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155154611404823 - 2²⁴ = 155154594627607 is a prime.

It is a super-3 number, since 3×155154611404823³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155154611404523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77577305702411 + 77577305702412.

It is an arithmetic number, because the mean of its divisors is an integer number (77577305702412).

Almost surely, 2^{155154611404823} is an apocalyptic number.

155154611404823 is a deficient number, since it is larger than the sum of its proper divisors (1).

155154611404823 is an equidigital number, since it uses as much as digits as its factorization.

155154611404823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304000, while the sum is 50.

The spelling of 155154611404823 in words is "one hundred fifty-five trillion, one hundred fifty-four billion, six hundred eleven million, four hundred four thousand, eight hundred twenty-three".