157471751542687 has 2 divisors, whose sum is σ = 157471751542688. Its totient is φ = 157471751542686.

The previous prime is 157471751542621. The next prime is 157471751542813. The reversal of 157471751542687 is 786245157174751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157471751542687 - 2²³ = 157471743154079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157471751545687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78735875771343 + 78735875771344.

It is an arithmetic number, because the mean of its divisors is an integer number (78735875771344).

Almost surely, 2^{157471751542687} is an apocalyptic number.

157471751542687 is a deficient number, since it is larger than the sum of its proper divisors (1).

157471751542687 is an equidigital number, since it uses as much as digits as its factorization.

157471751542687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460992000, while the sum is 70.

The spelling of 157471751542687 in words is "one hundred fifty-seven trillion, four hundred seventy-one billion, seven hundred fifty-one million, five hundred forty-two thousand, six hundred eighty-seven".