1542152312447 has 2 divisors, whose sum is σ = 1542152312448. Its totient is φ = 1542152312446.

The previous prime is 1542152312429. The next prime is 1542152312471. The reversal of 1542152312447 is 7442132512451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1542152312447 - 2⁶ = 1542152312383 is a prime.

It is a super-2 number, since 2×1542152312447² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542152312417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771076156223 + 771076156224.

It is an arithmetic number, because the mean of its divisors is an integer number (771076156224).

Almost surely, 2^{1542152312447} is an apocalyptic number.

1542152312447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542152312447 is an equidigital number, since it uses as much as digits as its factorization.

1542152312447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 268800, while the sum is 41.

Adding to 1542152312447 its reverse (7442132512451), we get a palindrome (8984284824898).

The spelling of 1542152312447 in words is "one trillion, five hundred forty-two billion, one hundred fifty-two million, three hundred twelve thousand, four hundred forty-seven".