1401005232543 has 16 divisors (see below), whose sum is σ = 2180287779840. Its totient is φ = 783540919776.

The previous prime is 1401005232527. The next prime is 1401005232587. The reversal of 1401005232543 is 3452325001041.

It is not a de Polignac number, because 1401005232543 - 2⁴ = 1401005232527 is a prime.

It is a super-2 number, since 2×1401005232543² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1401005232543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401005232503) 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, 709728108 + ... + 709730081.

It is an arithmetic number, because the mean of its divisors is an integer number (136267986240).

Almost surely, 2^{1401005232543} is an apocalyptic number.

1401005232543 is a deficient number, since it is larger than the sum of its proper divisors (779282547297).

1401005232543 is a wasteful number, since it uses less digits than its factorization.

1401005232543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419458246.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 1401005232543 in words is "one trillion, four hundred one billion, five million, two hundred thirty-two thousand, five hundred forty-three".