65155149119 has 4 divisors (see below), whose sum is σ = 65158226640. Its totient is φ = 65152071600.

The previous prime is 65155149071. The next prime is 65155149131. The reversal of 65155149119 is 91194155156.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65155149119 is a prime.

It is a super-2 number, since 2×65155149119² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65155149919) 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, 1506782 + ... + 1549419.

It is an arithmetic number, because the mean of its divisors is an integer number (16289556660).

Almost surely, 2^65155149119 is an apocalyptic number.

65155149119 is a deficient number, since it is larger than the sum of its proper divisors (3077521).

65155149119 is a wasteful number, since it uses less digits than its factorization.

65155149119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077520.

The product of its digits is 243000, while the sum is 47.

The spelling of 65155149119 in words is "sixty-five billion, one hundred fifty-five million, one hundred forty-nine thousand, one hundred nineteen".