155243042510 has 16 divisors (see below), whose sum is σ = 284018419872. Its totient is φ = 61079229600.

The previous prime is 155243042453. The next prime is 155243042551. The reversal of 155243042510 is 15240342551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127247786 + ... + 127249005.

It is an arithmetic number, because the mean of its divisors is an integer number (17751151242).

Almost surely, 2^155243042510 is an apocalyptic number.

155243042510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155243042510 is a deficient number, since it is larger than the sum of its proper divisors (128775377362).

155243042510 is a wasteful number, since it uses less digits than its factorization.

155243042510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254496859.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 155243042510 in words is "one hundred fifty-five billion, two hundred forty-three million, forty-two thousand, five hundred ten".