154136012053615 has 16 divisors (see below), whose sum is σ = 185555399644800. Its totient is φ = 122914024826112.

The previous prime is 154136012053549. The next prime is 154136012053663. The reversal of 154136012053615 is 516350210631451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154136012053615 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352076826 + ... + 352514344.

It is an arithmetic number, because the mean of its divisors is an integer number (11597212477800).

Almost surely, 2^{154136012053615} is an apocalyptic number.

154136012053615 is a deficient number, since it is larger than the sum of its proper divisors (31419387591185).

154136012053615 is a wasteful number, since it uses less digits than its factorization.

154136012053615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662946.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 154136012053615 in words is "one hundred fifty-four trillion, one hundred thirty-six billion, twelve million, fifty-three thousand, six hundred fifteen".