154136665251101 has 16 divisors (see below), whose sum is σ = 171364869849600. Its totient is φ = 137676729360960.

The previous prime is 154136665251077. The next prime is 154136665251109. The reversal of 154136665251101 is 101152566631451.

It is a cyclic number.

It is not a de Polignac number, because 154136665251101 - 2²² = 154136661056797 is a prime.

It is a super-2 number, since 2×154136665251101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154136665251109) 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, 14789051 + ... + 22956248.

It is an arithmetic number, because the mean of its divisors is an integer number (10710304365600).

Almost surely, 2^{154136665251101} is an apocalyptic number.

It is an amenable number.

154136665251101 is a deficient number, since it is larger than the sum of its proper divisors (17228204598499).

154136665251101 is a wasteful number, since it uses less digits than its factorization.

154136665251101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37755476.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 154136665251101 in words is "one hundred fifty-four trillion, one hundred thirty-six billion, six hundred sixty-five million, two hundred fifty-one thousand, one hundred one".