151231131245 has 16 divisors (see below), whose sum is σ = 182526696000. Its totient is φ = 120285610368.

The previous prime is 151231131229. The next prime is 151231131277. The reversal of 151231131245 is 542131132151.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 151231131245 - 2⁴ = 151231131229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5695961 + ... + 5722449.

It is an arithmetic number, because the mean of its divisors is an integer number (11407918500).

Almost surely, 2^151231131245 is an apocalyptic number.

It is an amenable number.

151231131245 is a deficient number, since it is larger than the sum of its proper divisors (31295564755).

151231131245 is a wasteful number, since it uses less digits than its factorization.

151231131245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33052.

The product of its digits is 3600, while the sum is 29.

Adding to 151231131245 its reverse (542131132151), we get a palindrome (693362263396).

The spelling of 151231131245 in words is "one hundred fifty-one billion, two hundred thirty-one million, one hundred thirty-one thousand, two hundred forty-five".