1157843815425 has 192 divisors, whose sum is σ = 2385924076800. Its totient is φ = 545713459200.

The previous prime is 1157843815409. The next prime is 1157843815451. The reversal of 1157843815425 is 5245183487511.

1157843815425 is a `hidden beast` number, since 1 + 1 + 57 + 8 + 43 + 8 + 1 + 542 + 5 = 666.

It is not a de Polignac number, because 1157843815425 - 2⁴ = 1157843815409 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 42880729 + ... + 42907721.

It is an arithmetic number, because the mean of its divisors is an integer number (12426687900).

Almost surely, 2^{1157843815425} is an apocalyptic number.

1157843815425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1157843815425 is an abundant number, since it is smaller than the sum of its proper divisors (1228080261375).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157843815425 is a wasteful number, since it uses less digits than its factorization.

1157843815425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27185 (or 27174 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 54.

The spelling of 1157843815425 in words is "one trillion, one hundred fifty-seven billion, eight hundred forty-three million, eight hundred fifteen thousand, four hundred twenty-five".