151405123381 has 2 divisors, whose sum is σ = 151405123382. Its totient is φ = 151405123380.

The previous prime is 151405123369. The next prime is 151405123411. The reversal of 151405123381 is 183321504151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144046057156 + 7359066225 = 379534^2 + 85785^2 .

It is a cyclic number.

It is not a de Polignac number, because 151405123381 - 2¹¹ = 151405121333 is a prime.

It is a super-2 number, since 2×151405123381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151405123301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75702561690 + 75702561691.

It is an arithmetic number, because the mean of its divisors is an integer number (75702561691).

Almost surely, 2^151405123381 is an apocalyptic number.

It is an amenable number.

151405123381 is a deficient number, since it is larger than the sum of its proper divisors (1).

151405123381 is an equidigital number, since it uses as much as digits as its factorization.

151405123381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 151405123381 in words is "one hundred fifty-one billion, four hundred five million, one hundred twenty-three thousand, three hundred eighty-one".