1157842152042 has 16 divisors (see below), whose sum is σ = 2320518723840. Its totient is φ = 385141647392.

The previous prime is 1157842152041. The next prime is 1157842152149. The reversal of 1157842152042 is 2402512487511.

It is a junction number, because it is equal to n+sod(n) for n = 1157842151985 and 1157842152003.

It is not an unprimeable number, because it can be changed into a prime (1157842152041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201431043 + ... + 201436790.

It is an arithmetic number, because the mean of its divisors is an integer number (145032420240).

Almost surely, 2^{1157842152042} is an apocalyptic number.

1157842152042 is an abundant number, since it is smaller than the sum of its proper divisors (1162676571798).

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

1157842152042 is a wasteful number, since it uses less digits than its factorization.

1157842152042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402868317.

The product of its (nonzero) digits is 179200, while the sum is 42.

The spelling of 1157842152042 in words is "one trillion, one hundred fifty-seven billion, eight hundred forty-two million, one hundred fifty-two thousand, forty-two".