61307371445 has 16 divisors (see below), whose sum is σ = 75580635648. Its totient is φ = 47705526720.

The previous prime is 61307371427. The next prime is 61307371451. The reversal of 61307371445 is 54417370316.

It is not a de Polignac number, because 61307371445 - 2²² = 61303177141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566492 + ... + 665978.

It is an arithmetic number, because the mean of its divisors is an integer number (4723789728).

Almost surely, 2^61307371445 is an apocalyptic number.

It is an amenable number.

61307371445 is a deficient number, since it is larger than the sum of its proper divisors (14273264203).

61307371445 is a wasteful number, since it uses less digits than its factorization.

61307371445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102860.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 61307371445 in words is "sixty-one billion, three hundred seven million, three hundred seventy-one thousand, four hundred forty-five".