65155201051 has 4 divisors (see below), whose sum is σ = 65170159552. Its totient is φ = 65140242552.

The previous prime is 65155200997. The next prime is 65155201063. The reversal of 65155201051 is 15010255156.

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

It is a cyclic number.

It is not a de Polignac number, because 65155201051 - 2¹⁵ = 65155168283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65155201751) 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, 7472715 + ... + 7481428.

It is an arithmetic number, because the mean of its divisors is an integer number (16292539888).

Almost surely, 2^65155201051 is an apocalyptic number.

65155201051 is a deficient number, since it is larger than the sum of its proper divisors (14958501).

65155201051 is a wasteful number, since it uses less digits than its factorization.

65155201051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14958500.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 65155201051 in words is "sixty-five billion, one hundred fifty-five million, two hundred one thousand, fifty-one".