1388025141405 has 16 divisors (see below), whose sum is σ = 2538103115904. Its totient is φ = 634525778880.

The previous prime is 1388025141379. The next prime is 1388025141443. The reversal of 1388025141405 is 5041415208831.

It is a happy number.

It is not a de Polignac number, because 1388025141405 - 2⁶ = 1388025141341 is a prime.

It is a super-2 number, since 2×1388025141405² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6609643426 + ... + 6609643635.

It is an arithmetic number, because the mean of its divisors is an integer number (158631444744).

Almost surely, 2^{1388025141405} is an apocalyptic number.

1388025141405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1388025141405 is a deficient number, since it is larger than the sum of its proper divisors (1150077974499).

1388025141405 is a wasteful number, since it uses less digits than its factorization.

1388025141405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13219287076.

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 1388025141405 in words is "one trillion, three hundred eighty-eight billion, twenty-five million, one hundred forty-one thousand, four hundred five".