52761777361251 has 16 divisors (see below), whose sum is σ = 80452749452544. Its totient is φ = 30129393082464.

The previous prime is 52761777361231. The next prime is 52761777361253. The reversal of 52761777361251 is 15216377716725.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-52761777361251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52761777361253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841383781 + ... + 841446486.

It is an arithmetic number, because the mean of its divisors is an integer number (5028296840784).

Almost surely, 2^{52761777361251} is an apocalyptic number.

52761777361251 is a deficient number, since it is larger than the sum of its proper divisors (27690972091293).

52761777361251 is a wasteful number, since it uses less digits than its factorization.

52761777361251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682831770.

The product of its digits is 25930800, while the sum is 60.

The spelling of 52761777361251 in words is "fifty-two trillion, seven hundred sixty-one billion, seven hundred seventy-seven million, three hundred sixty-one thousand, two hundred fifty-one".