155252106603 has 96 divisors (see below), whose sum is σ = 261782539200. Its totient is φ = 87621304320.

The previous prime is 155252106587. The next prime is 155252106631. The reversal of 155252106603 is 306601252551.

155252106603 is a `hidden beast` number, since 1 + 5 + 5 + 25 + 21 + 0 + 6 + 603 = 666.

It is not a de Polignac number, because 155252106603 - 2⁴ = 155252106587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155252106673) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 73473675 + ... + 73475787.

It is an arithmetic number, because the mean of its divisors is an integer number (2726901450).

Almost surely, 2^155252106603 is an apocalyptic number.

155252106603 is a deficient number, since it is larger than the sum of its proper divisors (106530432597).

155252106603 is a wasteful number, since it uses less digits than its factorization.

155252106603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 155252106603 in words is "one hundred fifty-five billion, two hundred fifty-two million, one hundred six thousand, six hundred three".