156005525550400 has 84 divisors (see below), whose sum is σ = 388184255047260. Its totient is φ = 61701061734400.

The previous prime is 156005525550367. The next prime is 156005525550401. The reversal of 156005525550400 is 4055525500651.

It can be written as a sum of positive squares in 6 ways, for example, as 47092423961664 + 108913101588736 = 6862392^2 + 10436144^2 .

It is a super-4 number, since 4×156005525550400⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156005525550401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547629811 + ... + 547914610.

It is an arithmetic number, because the mean of its divisors is an integer number (4621241131515).

Almost surely, 2^{156005525550400} is an apocalyptic number.

156005525550400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156005525550400 is an abundant number, since it is smaller than the sum of its proper divisors (232178729496860).

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

156005525550400 is a wasteful number, since it uses less digits than its factorization.

156005525550400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095544532 (or 1095544517 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 156005525550400 in words is "one hundred fifty-six trillion, five billion, five hundred twenty-five million, five hundred fifty thousand, four hundred".