1156903493378 has 16 divisors (see below), whose sum is σ = 1816517810880. Its totient is φ = 551556232656.

The previous prime is 1156903493323. The next prime is 1156903493413. The reversal of 1156903493378 is 8733943096511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39654308 + ... + 39683471.

It is an arithmetic number, because the mean of its divisors is an integer number (113532363180).

Almost surely, 2^{1156903493378} is an apocalyptic number.

1156903493378 is a deficient number, since it is larger than the sum of its proper divisors (659614317502).

1156903493378 is a wasteful number, since it uses less digits than its factorization.

1156903493378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79338121.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 1156903493378 in words is "one trillion, one hundred fifty-six billion, nine hundred three million, four hundred ninety-three thousand, three hundred seventy-eight".