61012722061535 has 8 divisors (see below), whose sum is σ = 73970063036016. Its totient is φ = 48306979941120.

The previous prime is 61012722061523. The next prime is 61012722061559. The reversal of 61012722061535 is 53516022721016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61012722061535 - 2¹⁸ = 61012721799391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61012722061492 and 61012722061501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62899712981 + ... + 62899713950.

It is an arithmetic number, because the mean of its divisors is an integer number (9246257879502).

Almost surely, 2^{61012722061535} is an apocalyptic number.

61012722061535 is a deficient number, since it is larger than the sum of its proper divisors (12957340974481).

61012722061535 is a wasteful number, since it uses less digits than its factorization.

61012722061535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125799427033.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 61012722061535 in words is "sixty-one trillion, twelve billion, seven hundred twenty-two million, sixty-one thousand, five hundred thirty-five".