155114503020 has 36 divisors (see below), whose sum is σ = 470513993040. Its totient is φ = 41363867424.

The previous prime is 155114503003. The next prime is 155114503051. The reversal of 155114503020 is 20305411551.

155114503020 is a `hidden beast` number, since 1 + 551 + 14 + 50 + 30 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430873440 + ... + 430873799.

It is an arithmetic number, because the mean of its divisors is an integer number (13069833140).

Almost surely, 2^155114503020 is an apocalyptic number.

155114503020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155114503020 is an abundant number, since it is smaller than the sum of its proper divisors (315399490020).

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

155114503020 is a wasteful number, since it uses less digits than its factorization.

155114503020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861747254 (or 861747249 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 155114503020 its reverse (20305411551), we get a palindrome (175419914571).

The spelling of 155114503020 in words is "one hundred fifty-five billion, one hundred fourteen million, five hundred three thousand, twenty".