2155502025112 has 16 divisors (see below), whose sum is σ = 4041681386400. Its totient is φ = 1077720322080.

The previous prime is 2155502025023. The next prime is 2155502025113. The reversal of 2155502025112 is 2115202055512.

It is a super-2 number, since 2×2155502025112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155502025113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3536439 + ... + 4100902.

It is an arithmetic number, because the mean of its divisors is an integer number (252605086650).

Almost surely, 2^{2155502025112} is an apocalyptic number.

It is an amenable number.

2155502025112 is a deficient number, since it is larger than the sum of its proper divisors (1886179361288).

2155502025112 is a wasteful number, since it uses less digits than its factorization.

2155502025112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7672626 (or 7672622 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 2155502025112 in words is "two trillion, one hundred fifty-five billion, five hundred two million, twenty-five thousand, one hundred twelve".