61477001266575 has 72 divisors (see below), whose sum is σ = 102329019475968. Its totient is φ = 32567584533120.

The previous prime is 61477001266573. The next prime is 61477001266591. The reversal of 61477001266575 is 57566210077416.

It is not a de Polignac number, because 61477001266575 - 2¹ = 61477001266573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61477001266573) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10173255504 + ... + 10173261546.

Almost surely, 2^{61477001266575} is an apocalyptic number.

61477001266575 is a deficient number, since it is larger than the sum of its proper divisors (40852018209393).

61477001266575 is a wasteful number, since it uses less digits than its factorization.

61477001266575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11873 (or 11711 counting only the distinct ones).

The product of its (nonzero) digits is 14817600, while the sum is 57.

The spelling of 61477001266575 in words is "sixty-one trillion, four hundred seventy-seven billion, one million, two hundred sixty-six thousand, five hundred seventy-five".