157550165503 has 2 divisors, whose sum is σ = 157550165504. Its totient is φ = 157550165502.

The previous prime is 157550165441. The next prime is 157550165533. The reversal of 157550165503 is 305561055751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157550165503 - 2³³ = 148960230911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157550165503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157550165533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78775082751 + 78775082752.

It is an arithmetic number, because the mean of its divisors is an integer number (78775082752).

Almost surely, 2^157550165503 is an apocalyptic number.

157550165503 is a deficient number, since it is larger than the sum of its proper divisors (1).

157550165503 is an equidigital number, since it uses as much as digits as its factorization.

157550165503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393750, while the sum is 43.

The spelling of 157550165503 in words is "one hundred fifty-seven billion, five hundred fifty million, one hundred sixty-five thousand, five hundred three".