151061221204 has 12 divisors (see below), whose sum is σ = 265726864564. Its totient is φ = 75139259904.

The previous prime is 151061221147. The next prime is 151061221261. The reversal of 151061221204 is 402122160151.

It is an interprime number because it is at equal distance from previous prime (151061221147) and next prime (151061221261).

It can be written as a sum of positive squares in 2 ways, for example, as 95266057104 + 55795164100 = 308652^2 + 236210^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97836807 + ... + 97838350.

Almost surely, 2^151061221204 is an apocalyptic number.

It is an amenable number.

151061221204 is a deficient number, since it is larger than the sum of its proper divisors (114665643360).

151061221204 is a wasteful number, since it uses less digits than its factorization.

151061221204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195675354 (or 195675352 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 151061221204 its reverse (402122160151), we get a palindrome (553183381355).

The spelling of 151061221204 in words is "one hundred fifty-one billion, sixty-one million, two hundred twenty-one thousand, two hundred four".