61103109375 has 504 divisors, whose sum is σ = 151285563520. Its totient is φ = 24057000000.

The previous prime is 61103109373. The next prime is 61103109377. The reversal of 61103109375 is 57390130116.

61103109375 is a `hidden beast` number, since 611 + 0 + 3 + 1 + 0 + 9 + 37 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (61103109373) and next prime (61103109377).

It is not a de Polignac number, because 61103109375 - 2¹ = 61103109373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61103109373) by changing a digit.

It is a polite number, since it can be written in 503 ways as a sum of consecutive naturals, for example, 3215953116 + ... + 3215953134.

Almost surely, 2^61103109375 is an apocalyptic number.

61103109375 is an abundant number, since it is smaller than the sum of its proper divisors (90182454145).

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

61103109375 is an frugal number, since it uses more digits than its factorization.

61103109375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The spelling of 61103109375 in words is "sixty-one billion, one hundred three million, one hundred nine thousand, three hundred seventy-five".