18540275126354 has 16 divisors (see below), whose sum is σ = 28343208415680. Its totient is φ = 9092638629360.

The previous prime is 18540275126341. The next prime is 18540275126357. The reversal of 18540275126354 is 45362157204581.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 18540275126296 and 18540275126305.

It is not an unprimeable number, because it can be changed into a prime (18540275126357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24536444 + ... + 25280775.

It is an arithmetic number, because the mean of its divisors is an integer number (1771450525980).

Almost surely, 2^{18540275126354} is an apocalyptic number.

18540275126354 is a deficient number, since it is larger than the sum of its proper divisors (9802933289326).

18540275126354 is a wasteful number, since it uses less digits than its factorization.

18540275126354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49820785.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 18540275126354 in words is "eighteen trillion, five hundred forty billion, two hundred seventy-five million, one hundred twenty-six thousand, three hundred fifty-four".