61103225535 has 96 divisors (see below), whose sum is σ = 110476396800. Its totient is φ = 28801006080.

The previous prime is 61103225527. The next prime is 61103225539. The reversal of 61103225535 is 53552230116.

It is a happy number.

It is not a de Polignac number, because 61103225535 - 2³ = 61103225527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 61103225496 and 61103225505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61103225539) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17714491 + ... + 17717939.

It is an arithmetic number, because the mean of its divisors is an integer number (1150795800).

Almost surely, 2^61103225535 is an apocalyptic number.

61103225535 is a deficient number, since it is larger than the sum of its proper divisors (49373171265).

61103225535 is a wasteful number, since it uses less digits than its factorization.

61103225535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749 (or 3738 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 61103225535 in words is "sixty-one billion, one hundred three million, two hundred twenty-five thousand, five hundred thirty-five".