155520000000002 has 16 divisors (see below), whose sum is σ = 254910712470624. Its totient is φ = 70573286940000.

The previous prime is 155519999999983. The next prime is 155520000000007. The reversal of 155520000000002 is 200000000025551.

155520000000002 = 7199999² + 7200000² + 7200001².

It is not an unprimeable number, because it can be changed into a prime (155520000000007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5881094024 + ... + 5881120467.

It is an arithmetic number, because the mean of its divisors is an integer number (15931919529414).

Almost surely, 2^{155520000000002} is an apocalyptic number.

155520000000002 is a deficient number, since it is larger than the sum of its proper divisors (99390712470622).

155520000000002 is a wasteful number, since it uses less digits than its factorization.

155520000000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11762215105.

The product of its (nonzero) digits is 500, while the sum is 20.

Adding to 155520000000002 its reverse (200000000025551), we get a palindrome (355520000025553).

The spelling of 155520000000002 in words is "one hundred fifty-five trillion, five hundred twenty billion, two", and thus it is an aban number.