157325828761 has 4 divisors (see below), whose sum is σ = 157369741312. Its totient is φ = 157281916212.

The previous prime is 157325828741. The next prime is 157325828783. The reversal of 157325828761 is 167828523751.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157325828761 - 2¹³ = 157325820569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157325828701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21950901 + ... + 21958066.

It is an arithmetic number, because the mean of its divisors is an integer number (39342435328).

Almost surely, 2^157325828761 is an apocalyptic number.

It is an amenable number.

157325828761 is a deficient number, since it is larger than the sum of its proper divisors (43912551).

157325828761 is an equidigital number, since it uses as much as digits as its factorization.

157325828761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43912550.

The product of its digits is 5644800, while the sum is 55.

The spelling of 157325828761 in words is "one hundred fifty-seven billion, three hundred twenty-five million, eight hundred twenty-eight thousand, seven hundred sixty-one".