6155042555400 has 384 divisors, whose sum is σ = 19561983667200. Its totient is φ = 1600610176000.

The previous prime is 6155042555377. The next prime is 6155042555419. The reversal of 6155042555400 is 45552405516.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1160669149 + ... + 1160674451.

It is an arithmetic number, because the mean of its divisors is an integer number (50942665800).

Almost surely, 2^{6155042555400} is an apocalyptic number.

6155042555400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6155042555400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9780991833600).

6155042555400 is an abundant number, since it is smaller than the sum of its proper divisors (13406941111800).

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

6155042555400 is a wasteful number, since it uses less digits than its factorization.

6155042555400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709 (or 5700 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 6155042555400 in words is "six trillion, one hundred fifty-five billion, forty-two million, five hundred fifty-five thousand, four hundred".