157471982811 has 96 divisors (see below), whose sum is σ = 281053753344. Its totient is φ = 83644704000.

The previous prime is 157471982807. The next prime is 157471982831. The reversal of 157471982811 is 118289174751.

It is a happy number.

157471982811 is a `hidden beast` number, since 1 + 5 + 7 + 471 + 98 + 2 + 81 + 1 = 666.

157471982811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157471982811 - 2² = 157471982807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157471982831) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 2077306 + ... + 2151776.

It is an arithmetic number, because the mean of its divisors is an integer number (2927643264).

Almost surely, 2^157471982811 is an apocalyptic number.

157471982811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157471982811 is a deficient number, since it is larger than the sum of its proper divisors (123581770533).

157471982811 is a wasteful number, since it uses less digits than its factorization.

157471982811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74585 (or 74582 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 54.

The spelling of 157471982811 in words is "one hundred fifty-seven billion, four hundred seventy-one million, nine hundred eighty-two thousand, eight hundred eleven".