61108075308531 has 32 divisors (see below), whose sum is σ = 84807855912960. Its totient is φ = 39090889039104.

The previous prime is 61108075308487. The next prime is 61108075308601. The reversal of 61108075308531 is 13580357080116.

It is not a de Polignac number, because 61108075308531 - 2¹³ = 61108075300339 is a prime.

It is a super-2 number, since 2×61108075308531² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61108075308331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370793310 + ... + 370958076.

It is an arithmetic number, because the mean of its divisors is an integer number (2650245497280).

Almost surely, 2^{61108075308531} is an apocalyptic number.

61108075308531 is a deficient number, since it is larger than the sum of its proper divisors (23699780604429).

61108075308531 is a wasteful number, since it uses less digits than its factorization.

61108075308531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191115.

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 61108075308531 in words is "sixty-one trillion, one hundred eight billion, seventy-five million, three hundred eight thousand, five hundred thirty-one".