155543492157103 has 2 divisors, whose sum is σ = 155543492157104. Its totient is φ = 155543492157102.

The previous prime is 155543492157061. The next prime is 155543492157197. The reversal of 155543492157103 is 301751294345551.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155543492157103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155543492154103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77771746078551 + 77771746078552.

It is an arithmetic number, because the mean of its divisors is an integer number (77771746078552).

Almost surely, 2^{155543492157103} is an apocalyptic number.

155543492157103 is a deficient number, since it is larger than the sum of its proper divisors (1).

155543492157103 is an equidigital number, since it uses as much as digits as its factorization.

155543492157103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340000, while the sum is 55.

The spelling of 155543492157103 in words is "one hundred fifty-five trillion, five hundred forty-three billion, four hundred ninety-two million, one hundred fifty-seven thousand, one hundred three".