157447501071321 has 16 divisors (see below), whose sum is σ = 212103206138880. Its totient is φ = 103879326691200.

The previous prime is 157447501071271. The next prime is 157447501071331. The reversal of 157447501071321 is 123170105744751.

It is not a de Polignac number, because 157447501071321 - 2¹⁸ = 157447500809177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157447501071331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115361940 + ... + 116718773.

It is an arithmetic number, because the mean of its divisors is an integer number (13256450383680).

Almost surely, 2^{157447501071321} is an apocalyptic number.

It is an amenable number.

157447501071321 is a deficient number, since it is larger than the sum of its proper divisors (54655705067559).

157447501071321 is a wasteful number, since it uses less digits than its factorization.

157447501071321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232083056.

The product of its (nonzero) digits is 823200, while the sum is 48.

The spelling of 157447501071321 in words is "one hundred fifty-seven trillion, four hundred forty-seven billion, five hundred one million, seventy-one thousand, three hundred twenty-one".