1125157156015 has 8 divisors (see below), whose sum is σ = 1421251144560. Its totient is φ = 852750686592.

The previous prime is 1125157156001. The next prime is 1125157156021. The reversal of 1125157156015 is 5106517515211.

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 1125157156015 - 2⁷ = 1125157155887 is a prime.

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, 5921879674 + ... + 5921879863.

It is an arithmetic number, because the mean of its divisors is an integer number (177656393070).

Almost surely, 2^{1125157156015} is an apocalyptic number.

1125157156015 is a deficient number, since it is larger than the sum of its proper divisors (296093988545).

1125157156015 is a wasteful number, since it uses less digits than its factorization.

1125157156015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843759561.

The product of its (nonzero) digits is 52500, while the sum is 40.

The spelling of 1125157156015 in words is "one trillion, one hundred twenty-five billion, one hundred fifty-seven million, one hundred fifty-six thousand, fifteen".