18051952145701 has 8 divisors (see below), whose sum is σ = 18132042466944. Its totient is φ = 17971866792480.

The previous prime is 18051952145693. The next prime is 18051952145719. The reversal of 18051952145701 is 10754125915081.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18051952145701 - 2³ = 18051952145693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18051952145761) 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, 6138436 + ... + 8589778.

It is an arithmetic number, because the mean of its divisors is an integer number (2266505308368).

Almost surely, 2^{18051952145701} is an apocalyptic number.

It is an amenable number.

18051952145701 is a deficient number, since it is larger than the sum of its proper divisors (80090321243).

18051952145701 is a wasteful number, since it uses less digits than its factorization.

18051952145701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484011.

The product of its (nonzero) digits is 504000, while the sum is 49.

The spelling of 18051952145701 in words is "eighteen trillion, fifty-one billion, nine hundred fifty-two million, one hundred forty-five thousand, seven hundred one".