1156078193378 has 16 divisors (see below), whose sum is σ = 1756491982080. Its totient is φ = 570584398176.

The previous prime is 1156078193377. The next prime is 1156078193399. The reversal of 1156078193378 is 8733918706511.

It is not an unprimeable number, because it can be changed into a prime (1156078193377) 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, 224750 + ... + 1537097.

It is an arithmetic number, because the mean of its divisors is an integer number (109780748880).

Almost surely, 2^{1156078193378} is an apocalyptic number.

1156078193378 is a deficient number, since it is larger than the sum of its proper divisors (600413788702).

1156078193378 is a wasteful number, since it uses less digits than its factorization.

1156078193378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766081.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 1156078193378 in words is "one trillion, one hundred fifty-six billion, seventy-eight million, one hundred ninety-three thousand, three hundred seventy-eight".