157722011311 has 4 divisors (see below), whose sum is σ = 160395265800. Its totient is φ = 155048756824.

The previous prime is 157722011267. The next prime is 157722011393. The reversal of 157722011311 is 113110227751.

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

It is a cyclic number.

It is not a de Polignac number, because 157722011311 - 2⁹ = 157722010799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157722012311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336627156 + ... + 1336627273.

It is an arithmetic number, because the mean of its divisors is an integer number (40098816450).

Almost surely, 2^157722011311 is an apocalyptic number.

157722011311 is a deficient number, since it is larger than the sum of its proper divisors (2673254489).

157722011311 is an equidigital number, since it uses as much as digits as its factorization.

157722011311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673254488.

The product of its (nonzero) digits is 2940, while the sum is 31.

The spelling of 157722011311 in words is "one hundred fifty-seven billion, seven hundred twenty-two million, eleven thousand, three hundred eleven".