76525511651 has 4 divisors (see below), whose sum is σ = 76528046400. Its totient is φ = 76522976904.

The previous prime is 76525511603. The next prime is 76525511653. The reversal of 76525511651 is 15611552567.

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-76525511651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76525511653) 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, 1221536 + ... + 1282653.

It is an arithmetic number, because the mean of its divisors is an integer number (19132011600).

Almost surely, 2^76525511651 is an apocalyptic number.

76525511651 is a deficient number, since it is larger than the sum of its proper divisors (2534749).

76525511651 is a wasteful number, since it uses less digits than its factorization.

76525511651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534748.

The product of its digits is 315000, while the sum is 44.

The spelling of 76525511651 in words is "seventy-six billion, five hundred twenty-five million, five hundred eleven thousand, six hundred fifty-one".