4925121156 has 108 divisors (see below), whose sum is σ = 13310469900. Its totient is φ = 1533651840.

The previous prime is 4925121139. The next prime is 4925121167. The reversal of 4925121156 is 6511215294.

4925121156 is a `hidden beast` number, since 4 + 92 + 512 + 1 + 1 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4093952256 + 831168900 = 63984^2 + 28830^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4925121156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1000830 + ... + 1005738.

Almost surely, 2^4925121156 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 4925121156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6655234950).

4925121156 is an abundant number, since it is smaller than the sum of its proper divisors (8385348744).

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

4925121156 is a wasteful number, since it uses less digits than its factorization.

4925121156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010 (or 4974 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 4925121156 is about 70179.2074335412. The cubic root of 4925121156 is about 1701.3969090386.

It can be divided in two parts, 49251 and 21156, that added together give a palindrome (70407).

The spelling of 4925121156 in words is "four billion, nine hundred twenty-five million, one hundred twenty-one thousand, one hundred fifty-six".