61500501065607 has 16 divisors (see below), whose sum is σ = 86825229361632. Its totient is φ = 38588108549120.

The previous prime is 61500501065593. The next prime is 61500501065611. The reversal of 61500501065607 is 70656010500516.

It is a cyclic number.

It is not a de Polignac number, because 61500501065607 - 2⁶ = 61500501065543 is a prime.

It is a super-3 number, since 3×61500501065607³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61500501065617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2358894 + ... + 11338667.

It is an arithmetic number, because the mean of its divisors is an integer number (5426576835102).

Almost surely, 2^{61500501065607} is an apocalyptic number.

61500501065607 is a deficient number, since it is larger than the sum of its proper divisors (25324728296025).

61500501065607 is a wasteful number, since it uses less digits than its factorization.

61500501065607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13785618.

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 61500501065607 in words is "sixty-one trillion, five hundred billion, five hundred one million, sixty-five thousand, six hundred seven".