6155145970512 has 320 divisors, whose sum is σ = 20429292441600. Its totient is φ = 1582905408000.

The previous prime is 6155145970489. The next prime is 6155145970553. The reversal of 6155145970512 is 2150795415516.

It is a super-2 number, since 2×6155145970512² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18123253 + ... + 18459755.

It is an arithmetic number, because the mean of its divisors is an integer number (63841538880).

Almost surely, 2^{6155145970512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6155145970512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10214646220800).

6155145970512 is an abundant number, since it is smaller than the sum of its proper divisors (14274146471088).

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

6155145970512 is a wasteful number, since it uses less digits than its factorization.

6155145970512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336647 (or 336627 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 51.

The spelling of 6155145970512 in words is "six trillion, one hundred fifty-five billion, one hundred forty-five million, nine hundred seventy thousand, five hundred twelve".