5400987926305 has 4 divisors (see below), whose sum is σ = 6481185511572. Its totient is φ = 4320790341040.

The previous prime is 5400987926291. The next prime is 5400987926359. The reversal of 5400987926305 is 5036297890045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1928012783841 + 3472975142464 = 1388529^2 + 1863592^2 .

It is not a de Polignac number, because 5400987926305 - 2¹⁵ = 5400987893537 is a prime.

It is a super-2 number, since 2×5400987926305² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5400987926305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540098792626 + ... + 540098792635.

It is an arithmetic number, because the mean of its divisors is an integer number (1620296377893).

Almost surely, 2^{5400987926305} is an apocalyptic number.

It is an amenable number.

5400987926305 is a deficient number, since it is larger than the sum of its proper divisors (1080197585267).

5400987926305 is a wasteful number, since it uses less digits than its factorization.

5400987926305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080197585266.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 5400987926305 in words is "five trillion, four hundred billion, nine hundred eighty-seven million, nine hundred twenty-six thousand, three hundred five".