155232641515 has 16 divisors (see below), whose sum is σ = 219757916160. Its totient is φ = 103011521760.

The previous prime is 155232641507. The next prime is 155232641527. The reversal of 155232641515 is 515146232551.

It is not a de Polignac number, because 155232641515 - 2³ = 155232641507 is a prime.

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, 71534695 + ... + 71536864.

It is an arithmetic number, because the mean of its divisors is an integer number (13734869760).

Almost surely, 2^155232641515 is an apocalyptic number.

155232641515 is a deficient number, since it is larger than the sum of its proper divisors (64525274645).

155232641515 is a wasteful number, since it uses less digits than its factorization.

155232641515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143071602.

The product of its digits is 180000, while the sum is 40.

The spelling of 155232641515 in words is "one hundred fifty-five billion, two hundred thirty-two million, six hundred forty-one thousand, five hundred fifteen".