157052415578 has 16 divisors (see below), whose sum is σ = 236363727336. Its totient is φ = 78264576000.

The previous prime is 157052415497. The next prime is 157052415581. The reversal of 157052415578 is 875514250751.

It can be written as a sum of positive squares in 4 ways, for example, as 115360084609 + 41692330969 = 339647^2 + 204187^2 .

It is a super-2 number, since 2×157052415578² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6531578 + ... + 6555578.

Almost surely, 2^157052415578 is an apocalyptic number.

157052415578 is a deficient number, since it is larger than the sum of its proper divisors (79311311758).

157052415578 is a wasteful number, since it uses less digits than its factorization.

157052415578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34769.

The product of its (nonzero) digits is 1960000, while the sum is 50.

The spelling of 157052415578 in words is "one hundred fifty-seven billion, fifty-two million, four hundred fifteen thousand, five hundred seventy-eight".