61114661619 has 32 divisors (see below), whose sum is σ = 90894348288. Its totient is φ = 36210720000.

The previous prime is 61114661617. The next prime is 61114661633. The reversal of 61114661619 is 91616641116.

It is not a de Polignac number, because 61114661619 - 2¹ = 61114661617 is a prime.

It is a super-2 number, since 2×61114661619² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61114661617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429294 + ... + 553644.

It is an arithmetic number, because the mean of its divisors is an integer number (2840448384).

Almost surely, 2^61114661619 is an apocalyptic number.

61114661619 is a deficient number, since it is larger than the sum of its proper divisors (29779686669).

61114661619 is a wasteful number, since it uses less digits than its factorization.

61114661619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124699.

The product of its digits is 46656, while the sum is 42.

The spelling of 61114661619 in words is "sixty-one billion, one hundred fourteen million, six hundred sixty-one thousand, six hundred nineteen".