5661137235 has 64 divisors (see below), whose sum is σ = 9938073600. Its totient is φ = 2735036928.

The previous prime is 5661137221. The next prime is 5661137257. The reversal of 5661137235 is 5327311665.

It is not a de Polignac number, because 5661137235 - 2⁴ = 5661137219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 5661137193 and 5661137202.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2756469 + ... + 2758521.

It is an arithmetic number, because the mean of its divisors is an integer number (155282400).

Almost surely, 2^5661137235 is an apocalyptic number.

5661137235 is a deficient number, since it is larger than the sum of its proper divisors (4276936365).

5661137235 is a wasteful number, since it uses less digits than its factorization.

5661137235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332.

The product of its digits is 113400, while the sum is 39.

The square root of 5661137235 is about 75240.5292046780. The cubic root of 5661137235 is about 1782.2470081378.

The spelling of 5661137235 in words is "five billion, six hundred sixty-one million, one hundred thirty-seven thousand, two hundred thirty-five".