155002045505 has 16 divisors (see below), whose sum is σ = 195920126400. Its totient is φ = 117398393280.

The previous prime is 155002045489. The next prime is 155002045537. The reversal of 155002045505 is 505540200551.

It is not a de Polignac number, because 155002045505 - 2⁴ = 155002045489 is a prime.

It is a super-2 number, since 2×155002045505² (a number of 23 digits) contains 22 as substring.

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, 387410 + ... + 678299.

It is an arithmetic number, because the mean of its divisors is an integer number (12245007900).

Almost surely, 2^155002045505 is an apocalyptic number.

It is an amenable number.

155002045505 is a deficient number, since it is larger than the sum of its proper divisors (40918080895).

155002045505 is a wasteful number, since it uses less digits than its factorization.

155002045505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067264.

The product of its (nonzero) digits is 25000, while the sum is 32.

The spelling of 155002045505 in words is "one hundred fifty-five billion, two million, forty-five thousand, five hundred five".