156552101100100 has 18 divisors (see below), whose sum is σ = 339718059387434. Its totient is φ = 62620840440000.

The previous prime is 156552101100041. The next prime is 156552101100121. The reversal of 156552101100100 is 1001101255651.

It can be written as a sum of positive squares in 3 ways, for example, as 14832218992644 + 141719882107456 = 3851262^2 + 11904616^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 782760505401 + ... + 782760505600.

Almost surely, 2^{156552101100100} is an apocalyptic number.

156552101100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156552101100100 is an abundant number, since it is smaller than the sum of its proper divisors (183165958287334).

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

156552101100100 is a wasteful number, since it uses less digits than its factorization.

156552101100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565521011015 (or 1565521011008 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 28.

Adding to 156552101100100 its reverse (1001101255651), we get a palindrome (157553202355751).

The spelling of 156552101100100 in words is "one hundred fifty-six trillion, five hundred fifty-two billion, one hundred one million, one hundred thousand, one hundred".