155234233504501 has 2 divisors, whose sum is σ = 155234233504502. Its totient is φ = 155234233504500.

The previous prime is 155234233504411. The next prime is 155234233504591. The reversal of 155234233504501 is 105405332432551.

155234233504501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (155234233504411) and next prime (155234233504591).

It can be written as a sum of positive squares in only one way, i.e., 136827997022500 + 18406236482001 = 11697350^2 + 4290249^2 .

It is a cyclic number.

It is not a de Polignac number, because 155234233504501 - 2²¹ = 155234231407349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155234233504591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77617116752250 + 77617116752251.

It is an arithmetic number, because the mean of its divisors is an integer number (77617116752251).

Almost surely, 2^{155234233504501} is an apocalyptic number.

It is an amenable number.

155234233504501 is a deficient number, since it is larger than the sum of its proper divisors (1).

155234233504501 is an equidigital number, since it uses as much as digits as its factorization.

155234233504501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 155234233504501 in words is "one hundred fifty-five trillion, two hundred thirty-four billion, two hundred thirty-three million, five hundred four thousand, five hundred one".