56211152501 has 4 divisors (see below), whose sum is σ = 64241317152. Its totient is φ = 48180987852.

The previous prime is 56211152467. The next prime is 56211152527. The reversal of 56211152501 is 10525111265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56211152501 - 2¹⁸ = 56210890357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56211112501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4015082315 + ... + 4015082328.

It is an arithmetic number, because the mean of its divisors is an integer number (16060329288).

Almost surely, 2^56211152501 is an apocalyptic number.

It is an amenable number.

56211152501 is a deficient number, since it is larger than the sum of its proper divisors (8030164651).

56211152501 is an equidigital number, since it uses as much as digits as its factorization.

56211152501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8030164650.

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 56211152501 its reverse (10525111265), we get a palindrome (66736263766).

The spelling of 56211152501 in words is "fifty-six billion, two hundred eleven million, one hundred fifty-two thousand, five hundred one".