157260794521 has 8 divisors (see below), whose sum is σ = 157423616064. Its totient is φ = 157098060240.

The previous prime is 157260794519. The next prime is 157260794569. The reversal of 157260794521 is 125497062751.

It is a happy number.

157260794521 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 157260794521 - 2¹ = 157260794519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157260794221) 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, 3949116 + ... + 3988738.

It is an arithmetic number, because the mean of its divisors is an integer number (19677952008).

Almost surely, 2^157260794521 is an apocalyptic number.

It is an amenable number.

157260794521 is a deficient number, since it is larger than the sum of its proper divisors (162821543).

157260794521 is a wasteful number, since it uses less digits than its factorization.

157260794521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43631.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 157260794521 in words is "one hundred fifty-seven billion, two hundred sixty million, seven hundred ninety-four thousand, five hundred twenty-one".