154231012532055 has 32 divisors (see below), whose sum is σ = 249293158133760. Its totient is φ = 81416179353600.

The previous prime is 154231012532041. The next prime is 154231012532059. The reversal of 154231012532055 is 550235210132451.

It is not a de Polignac number, because 154231012532055 - 2⁹ = 154231012531543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154231012532059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22568970 + ... + 28597559.

It is an arithmetic number, because the mean of its divisors is an integer number (7790411191680).

Almost surely, 2^{154231012532055} is an apocalyptic number.

154231012532055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

154231012532055 is a deficient number, since it is larger than the sum of its proper divisors (95062145601705).

154231012532055 is a wasteful number, since it uses less digits than its factorization.

154231012532055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51168591.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 154231012532055 in words is "one hundred fifty-four trillion, two hundred thirty-one billion, twelve million, five hundred thirty-two thousand, fifty-five".