3155601000 has 128 divisors (see below), whose sum is σ = 9865215360. Its totient is φ = 839808000.

The previous prime is 3155600969. The next prime is 3155601037. The reversal of 3155601000 is 1065513.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2432352 + ... + 2433648.

It is an arithmetic number, because the mean of its divisors is an integer number (77071995).

Almost surely, 2^3155601000 is an apocalyptic number.

3155601000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3155601000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4932607680).

3155601000 is an abundant number, since it is smaller than the sum of its proper divisors (6709614360).

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

3155601000 is a wasteful number, since it uses less digits than its factorization.

3155601000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132 (or 2118 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 3155601000 is about 56174.7363144679. The cubic root of 3155601000 is about 1466.7655293781.

Adding to 3155601000 its reverse (1065513), we get a palindrome (3156666513).

The spelling of 3155601000 in words is "three billion, one hundred fifty-five million, six hundred one thousand".