157504725761 has 8 divisors (see below), whose sum is σ = 157919936160. Its totient is φ = 157089663072.

The previous prime is 157504725727. The next prime is 157504725799. The reversal of 157504725761 is 167527405751.

It is a happy number.

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 157504725761 - 2³⁴ = 140324856577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157504725661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290466 + ... + 2358228.

It is an arithmetic number, because the mean of its divisors is an integer number (19739992020).

Almost surely, 2^157504725761 is an apocalyptic number.

It is an amenable number.

157504725761 is a deficient number, since it is larger than the sum of its proper divisors (415210399).

157504725761 is an equidigital number, since it uses as much as digits as its factorization.

157504725761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73855.

The product of its (nonzero) digits is 2058000, while the sum is 50.

The spelling of 157504725761 in words is "one hundred fifty-seven billion, five hundred four million, seven hundred twenty-five thousand, seven hundred sixty-one".