157754431012 has 6 divisors (see below), whose sum is σ = 276070254278. Its totient is φ = 78877215504.

The previous prime is 157754430997. The next prime is 157754431069. The reversal of 157754431012 is 210134457751.

It can be written as a sum of positive squares in only one way, i.e., 136919240676 + 20835190336 = 370026^2 + 144344^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19719303873 + ... + 19719303880.

Almost surely, 2^157754431012 is an apocalyptic number.

It is an amenable number.

157754431012 is a deficient number, since it is larger than the sum of its proper divisors (118315823266).

157754431012 is a wasteful number, since it uses less digits than its factorization.

157754431012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39438607757 (or 39438607755 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

Adding to 157754431012 its reverse (210134457751), we get a palindrome (367888888763).

The spelling of 157754431012 in words is "one hundred fifty-seven billion, seven hundred fifty-four million, four hundred thirty-one thousand, twelve".