1157055155005 has 4 divisors (see below), whose sum is σ = 1388466186012. Its totient is φ = 925644124000.

The previous prime is 1157055154993. The next prime is 1157055155029. The reversal of 1157055155005 is 5005515507511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 732991110201 + 424064044804 = 856149^2 + 651202^2 .

It is not a de Polignac number, because 1157055155005 - 2⁵ = 1157055154973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115705515496 + ... + 115705515505.

It is an arithmetic number, because the mean of its divisors is an integer number (347116546503).

Almost surely, 2^{1157055155005} is an apocalyptic number.

It is an amenable number.

1157055155005 is a deficient number, since it is larger than the sum of its proper divisors (231411031007).

1157055155005 is an equidigital number, since it uses as much as digits as its factorization.

1157055155005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231411031006.

The product of its (nonzero) digits is 109375, while the sum is 40.

The spelling of 1157055155005 in words is "one trillion, one hundred fifty-seven billion, fifty-five million, one hundred fifty-five thousand, five".