611261152 has 24 divisors (see below), whose sum is σ = 1220374512. Its totient is φ = 301324800.

The previous prime is 611261099. The next prime is 611261153. The reversal of 611261152 is 251162116.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611261153) 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, 132249 + ... + 136792.

It is an arithmetic number, because the mean of its divisors is an integer number (50848938).

Almost surely, 2^611261152 is an apocalyptic number.

It is an amenable number.

611261152 is a deficient number, since it is larger than the sum of its proper divisors (609113360).

611261152 is a wasteful number, since it uses less digits than its factorization.

611261152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269122 (or 269114 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 611261152 is about 24723.6961638020. The cubic root of 611261152 is about 848.6766730205.

The spelling of 611261152 in words is "six hundred eleven million, two hundred sixty-one thousand, one hundred fifty-two".