156213275378 has 4 divisors (see below), whose sum is σ = 234319913070. Its totient is φ = 78106637688.

The previous prime is 156213275359. The next prime is 156213275399. The reversal of 156213275378 is 873572312651.

156213275378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 90368175769 + 65845099609 = 300613^2 + 256603^2 .

It is a super-2 number, since 2×156213275378² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 39053318843 + ... + 39053318846.

Almost surely, 2^156213275378 is an apocalyptic number.

156213275378 is a deficient number, since it is larger than the sum of its proper divisors (78106637692).

156213275378 is an equidigital number, since it uses as much as digits as its factorization.

156213275378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78106637691.

The product of its digits is 2116800, while the sum is 50.

The spelling of 156213275378 in words is "one hundred fifty-six billion, two hundred thirteen million, two hundred seventy-five thousand, three hundred seventy-eight".