151711251122 has 6 divisors (see below), whose sum is σ = 227567702943. Its totient is φ = 75855350142.

The previous prime is 151711251121. The next prime is 151711251143. The reversal of 151711251122 is 221152117151.

It can be written as a sum of positive squares in only one way, i.e., 75855625561 + 75855625561 = 275419^2 + 275419^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=275419.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151711251121) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 413129 + ... + 688547.

Almost surely, 2^151711251122 is an apocalyptic number.

151711251122 is a deficient number, since it is larger than the sum of its proper divisors (75856451821).

151711251122 is an frugal number, since it uses more digits than its factorization.

151711251122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550840 (or 275421 counting only the distinct ones).

The product of its digits is 1400, while the sum is 29.

Adding to 151711251122 its reverse (221152117151), we get a palindrome (372863368273).

The spelling of 151711251122 in words is "one hundred fifty-one billion, seven hundred eleven million, two hundred fifty-one thousand, one hundred twenty-two".