1157355457055 has 32 divisors (see below), whose sum is σ = 1595480592384. Its totient is φ = 789495111936.

The previous prime is 1157355457051. The next prime is 1157355457081. The reversal of 1157355457055 is 5507545537511.

It is a cyclic number.

It is not a de Polignac number, because 1157355457055 - 2² = 1157355457051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1157355456988 and 1157355457006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157355457051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11085779 + ... + 11189691.

It is an arithmetic number, because the mean of its divisors is an integer number (49858768512).

Almost surely, 2^{1157355457055} is an apocalyptic number.

1157355457055 is a deficient number, since it is larger than the sum of its proper divisors (438125135329).

1157355457055 is a wasteful number, since it uses less digits than its factorization.

1157355457055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105575.

The product of its (nonzero) digits is 9187500, while the sum is 53.

The spelling of 1157355457055 in words is "one trillion, one hundred fifty-seven billion, three hundred fifty-five million, four hundred fifty-seven thousand, fifty-five".