6155121260 has 48 divisors (see below), whose sum is σ = 13023763200. Its totient is φ = 2443444224.

The previous prime is 6155121257. The next prime is 6155121263. The reversal of 6155121260 is 621215516.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6155121257) and next prime (6155121263).

It is not an unprimeable number, because it can be changed into a prime (6155121263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1847276 + ... + 1850604.

It is an arithmetic number, because the mean of its divisors is an integer number (271328400).

Almost surely, 2^6155121260 is an apocalyptic number.

It is an amenable number.

6155121260 is an abundant number, since it is smaller than the sum of its proper divisors (6868641940).

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

6155121260 is a wasteful number, since it uses less digits than its factorization.

6155121260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010 (or 4008 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 6155121260 is about 78454.5808732670. The cubic root of 6155121260 is about 1832.6472144021.

Adding to 6155121260 its reverse (621215516), we get a palindrome (6776336776).

The spelling of 6155121260 in words is "six billion, one hundred fifty-five million, one hundred twenty-one thousand, two hundred sixty".