157516909455 has 16 divisors (see below), whose sum is σ = 252037215360. Its totient is φ = 84005631648.

The previous prime is 157516909441. The next prime is 157516909457. The reversal of 157516909455 is 554909615751.

It is a happy number.

It is a Cunningham number, because it is equal to 396884²-1.

It is not a de Polignac number, because 157516909455 - 2⁴ = 157516909439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157516909395 and 157516909404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157516909457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198444 + ... + 595326.

It is an arithmetic number, because the mean of its divisors is an integer number (15752325960).

Almost surely, 2^157516909455 is an apocalyptic number.

157516909455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157516909455 is a deficient number, since it is larger than the sum of its proper divisors (94520305905).

157516909455 is a wasteful number, since it uses less digits than its factorization.

157516909455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423350.

The product of its (nonzero) digits is 8505000, while the sum is 57.

The spelling of 157516909455 in words is "one hundred fifty-seven billion, five hundred sixteen million, nine hundred nine thousand, four hundred fifty-five".