157158000581 has 8 divisors (see below), whose sum is σ = 165681587904. Its totient is φ = 148775299200.

The previous prime is 157158000569. The next prime is 157158000617. The reversal of 157158000581 is 185000851751.

157158000581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157158000581 - 2¹⁴ = 157157984197 is a prime.

It is a super-2 number, since 2×157158000581² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157158000521) 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 7 ways as a sum of consecutive naturals, for example, 35219195 + ... + 35223656.

It is an arithmetic number, because the mean of its divisors is an integer number (20710198488).

Almost surely, 2^157158000581 is an apocalyptic number.

It is an amenable number.

157158000581 is a deficient number, since it is larger than the sum of its proper divisors (8523587323).

157158000581 is an equidigital number, since it uses as much as digits as its factorization.

157158000581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70442971.

The product of its (nonzero) digits is 56000, while the sum is 41.

The spelling of 157158000581 in words is "one hundred fifty-seven billion, one hundred fifty-eight million, five hundred eighty-one", and thus it is an aban number.