1351505211423 has 16 divisors (see below), whose sum is σ = 1804319811840. Its totient is φ = 899847242496.

The previous prime is 1351505211373. The next prime is 1351505211439. The reversal of 1351505211423 is 3241125051531.

It is not a de Polignac number, because 1351505211423 - 2⁹ = 1351505210911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351505231423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41305236 + ... + 41337942.

It is an arithmetic number, because the mean of its divisors is an integer number (112769988240).

Almost surely, 2^{1351505211423} is an apocalyptic number.

1351505211423 is a deficient number, since it is larger than the sum of its proper divisors (452814600417).

1351505211423 is a wasteful number, since it uses less digits than its factorization.

1351505211423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49966.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 1351505211423 in words is "one trillion, three hundred fifty-one billion, five hundred five million, two hundred eleven thousand, four hundred twenty-three".