1125157156055 has 8 divisors (see below), whose sum is σ = 1356243245952. Its totient is φ = 896089285728.

The previous prime is 1125157156049. The next prime is 1125157156087. The reversal of 1125157156055 is 5506517515211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125157156055 - 2²⁰ = 1125156107479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1125157155997 and 1125157156015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504553664 + ... + 504555893.

It is an arithmetic number, because the mean of its divisors is an integer number (169530405744).

Almost surely, 2^{1125157156055} is an apocalyptic number.

1125157156055 is a deficient number, since it is larger than the sum of its proper divisors (231086089897).

1125157156055 is a wasteful number, since it uses less digits than its factorization.

1125157156055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009109785.

The product of its (nonzero) digits is 262500, while the sum is 44.

The spelling of 1125157156055 in words is "one trillion, one hundred twenty-five billion, one hundred fifty-seven million, one hundred fifty-six thousand, fifty-five".