155615121154130 has 32 divisors (see below), whose sum is σ = 312677824840128. Its totient is φ = 55271332670400.

The previous prime is 155615121154111. The next prime is 155615121154183. The reversal of 155615121154130 is 31451121516551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16449796661 + ... + 16449806120.

It is an arithmetic number, because the mean of its divisors is an integer number (9771182026254).

Almost surely, 2^{155615121154130} is an apocalyptic number.

155615121154130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155615121154130 is an abundant number, since it is smaller than the sum of its proper divisors (157062703685998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155615121154130 is a wasteful number, since it uses less digits than its factorization.

155615121154130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32899602842.

The product of its (nonzero) digits is 90000, while the sum is 41.

The spelling of 155615121154130 in words is "one hundred fifty-five trillion, six hundred fifteen billion, one hundred twenty-one million, one hundred fifty-four thousand, one hundred thirty".