151121321307 has 24 divisors (see below), whose sum is σ = 250663757760. Its totient is φ = 86768221680.

The previous prime is 151121321257. The next prime is 151121321321. The reversal of 151121321307 is 703123121151.

151121321307 is a `hidden beast` number, since 1 + 5 + 11 + 21 + 321 + 307 = 666.

It is not a de Polignac number, because 151121321307 - 2¹⁶ = 151121255771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151121321357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40168593 + ... + 40172354.

It is an arithmetic number, because the mean of its divisors is an integer number (10444323240).

Almost surely, 2^151121321307 is an apocalyptic number.

151121321307 is a deficient number, since it is larger than the sum of its proper divisors (99542436453).

151121321307 is a wasteful number, since it uses less digits than its factorization.

151121321307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80340983 (or 80340980 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

Adding to 151121321307 its reverse (703123121151), we get a palindrome (854244442458).

The spelling of 151121321307 in words is "one hundred fifty-one billion, one hundred twenty-one million, three hundred twenty-one thousand, three hundred seven".