155102155505 has 16 divisors (see below), whose sum is σ = 204641593344. Its totient is φ = 111913361280.

The previous prime is 155102155493. The next prime is 155102155541. The reversal of 155102155505 is 505551201551.

It is not a de Polignac number, because 155102155505 - 2⁴ = 155102155489 is a prime.

It is a Duffinian 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, 11095532 + ... + 11109501.

It is an arithmetic number, because the mean of its divisors is an integer number (12790099584).

Almost surely, 2^155102155505 is an apocalyptic number.

It is an amenable number.

155102155505 is a deficient number, since it is larger than the sum of its proper divisors (49539437839).

155102155505 is a wasteful number, since it uses less digits than its factorization.

155102155505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22205176.

The product of its (nonzero) digits is 31250, while the sum is 35.

The spelling of 155102155505 in words is "one hundred fifty-five billion, one hundred two million, one hundred fifty-five thousand, five hundred five".