61112160440 has 16 divisors (see below), whose sum is σ = 137502361080. Its totient is φ = 24444864160.

The previous prime is 61112160413. The next prime is 61112160467. The reversal of 61112160440 is 4406121116.

It is an interprime number because it is at equal distance from previous prime (61112160413) and next prime (61112160467).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763901966 + ... + 763902045.

Almost surely, 2^61112160440 is an apocalyptic number.

It is an amenable number.

61112160440 is an abundant number, since it is smaller than the sum of its proper divisors (76390200640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61112160440 is a wasteful number, since it uses less digits than its factorization.

61112160440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527804022 (or 1527804018 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 61112160440 its reverse (4406121116), we get a palindrome (65518281556).

The spelling of 61112160440 in words is "sixty-one billion, one hundred twelve million, one hundred sixty thousand, four hundred forty".