151223260537 has 2 divisors, whose sum is σ = 151223260538. Its totient is φ = 151223260536.

The previous prime is 151223260501. The next prime is 151223260541. The reversal of 151223260537 is 735062322151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106892379136 + 44330881401 = 326944^2 + 210549^2 .

It is an emirp because it is prime and its reverse (735062322151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151223260537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151223260496 and 151223260505.

It is not a weakly prime, because it can be changed into another prime (151223260547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75611630268 + 75611630269.

It is an arithmetic number, because the mean of its divisors is an integer number (75611630269).

Almost surely, 2^151223260537 is an apocalyptic number.

It is an amenable number.

151223260537 is a deficient number, since it is larger than the sum of its proper divisors (1).

151223260537 is an equidigital number, since it uses as much as digits as its factorization.

151223260537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 37.

Adding to 151223260537 its reverse (735062322151), we get a palindrome (886285582688).

The spelling of 151223260537 in words is "one hundred fifty-one billion, two hundred twenty-three million, two hundred sixty thousand, five hundred thirty-seven".