83611045951 has 4 divisors (see below), whose sum is σ = 83612696904. Its totient is φ = 83609395000.

The previous prime is 83611045937. The next prime is 83611045967. The reversal of 83611045951 is 15954011638.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15954011638 = 2 ⋅7977005819.

It is a cyclic number.

It is not a de Polignac number, because 83611045951 - 2⁷ = 83611045823 is a prime.

It is a super-3 number, since 3×83611045951³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83611045898 and 83611045907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83611015951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747025 + ... + 851626.

It is an arithmetic number, because the mean of its divisors is an integer number (20903174226).

Almost surely, 2^83611045951 is an apocalyptic number.

83611045951 is a deficient number, since it is larger than the sum of its proper divisors (1650953).

83611045951 is a wasteful number, since it uses less digits than its factorization.

83611045951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650952.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 83611045951 in words is "eighty-three billion, six hundred eleven million, forty-five thousand, nine hundred fifty-one".