1156078392100 has 36 divisors (see below), whose sum is σ = 2656260121284. Its totient is φ = 435229511680.

The previous prime is 1156078392041. The next prime is 1156078392101. The reversal of 1156078392100 is 12938706511.

It can be written as a sum of positive squares in 6 ways, for example, as 758671936 + 1155319720164 = 27544^2 + 1074858^2 .

It is not an unprimeable number, because it can be changed into a prime (1156078392101) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 340021357 + ... + 340024756.

It is an arithmetic number, because the mean of its divisors is an integer number (73785003369).

Almost surely, 2^{1156078392100} is an apocalyptic number.

1156078392100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156078392100 is an abundant number, since it is smaller than the sum of its proper divisors (1500181729184).

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

1156078392100 is a wasteful number, since it uses less digits than its factorization.

1156078392100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680046144 (or 680046137 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 1156078392100 in words is "one trillion, one hundred fifty-six billion, seventy-eight million, three hundred ninety-two thousand, one hundred".