18737211448254 has 32 divisors (see below), whose sum is σ = 40959415163520. Its totient is φ = 5679246637152.

The previous prime is 18737211448253. The next prime is 18737211448261. The reversal of 18737211448254 is 45284411273781.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18737211448194 and 18737211448203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18737211448253) 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, 1792686264 + ... + 1792696715.

It is an arithmetic number, because the mean of its divisors is an integer number (1279981723860).

Almost surely, 2^{18737211448254} is an apocalyptic number.

18737211448254 is an abundant number, since it is smaller than the sum of its proper divisors (22222203715266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18737211448254 is a wasteful number, since it uses less digits than its factorization.

18737211448254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585383064.

The product of its digits is 12042240, while the sum is 57.

The spelling of 18737211448254 in words is "eighteen trillion, seven hundred thirty-seven billion, two hundred eleven million, four hundred forty-eight thousand, two hundred fifty-four".