1075156452378 has 24 divisors (see below), whose sum is σ = 2330988525216. Its totient is φ = 358157349000.

The previous prime is 1075156452373. The next prime is 1075156452397. The reversal of 1075156452378 is 8732546515701.

1075156452378 is a `hidden beast` number, since 1 + 0 + 7 + 5 + 1 + 564 + 5 + 2 + 3 + 78 = 666.

It is a super-2 number, since 2×1075156452378² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1075156452373) 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, 18982198 + ... + 19038753.

It is an arithmetic number, because the mean of its divisors is an integer number (97124521884).

Almost surely, 2^{1075156452378} is an apocalyptic number.

1075156452378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1075156452378 is an abundant number, since it is smaller than the sum of its proper divisors (1255832072838).

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

1075156452378 is a wasteful number, since it uses less digits than its factorization.

1075156452378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38022530 (or 38022527 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 1075156452378 in words is "one trillion, seventy-five billion, one hundred fifty-six million, four hundred fifty-two thousand, three hundred seventy-eight".