3155556425 has 12 divisors (see below), whose sum is σ = 4471874496. Its totient is φ = 2163810000.

The previous prime is 3155556421. The next prime is 3155556449. The reversal of 3155556425 is 5246555513.

3155556425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3155556425 - 2² = 3155556421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3155556421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9015701 + ... + 9016050.

It is an arithmetic number, because the mean of its divisors is an integer number (372656208).

Almost surely, 2^3155556425 is an apocalyptic number.

3155556425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3155556425 is a deficient number, since it is larger than the sum of its proper divisors (1316318071).

3155556425 is a wasteful number, since it uses less digits than its factorization.

3155556425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18031768 (or 18031763 counting only the distinct ones).

The product of its digits is 450000, while the sum is 41.

The square root of 3155556425 is about 56174.3395599806. The cubic root of 3155556425 is about 1466.7586229936.

The spelling of 3155556425 in words is "three billion, one hundred fifty-five million, five hundred fifty-six thousand, four hundred twenty-five".