126253662153443 has 6 divisors (see below), whose sum is σ = 138774686499372. Its totient is φ = 114776056503020.

The previous prime is 126253662153431. The next prime is 126253662153457. The reversal of 126253662153443 is 344351266352621.

It is not a de Polignac number, because 126253662153443 - 2¹⁰ = 126253662152419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126253662153413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 521709347621 + ... + 521709347862.

It is an arithmetic number, because the mean of its divisors is an integer number (23129114416562).

Almost surely, 2^{126253662153443} is an apocalyptic number.

126253662153443 is a deficient number, since it is larger than the sum of its proper divisors (12521024345929).

126253662153443 is a wasteful number, since it uses less digits than its factorization.

126253662153443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043418695505 (or 1043418695494 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 53.

The spelling of 126253662153443 in words is "one hundred twenty-six trillion, two hundred fifty-three billion, six hundred sixty-two million, one hundred fifty-three thousand, four hundred forty-three".