10587278501 has 4 divisors (see below), whose sum is σ = 10952357100. Its totient is φ = 10222199904.

The previous prime is 10587278489. The next prime is 10587278519.

10587278501 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2420541601 + 8166736900 = 49199^2 + 90370^2 .

It is a cyclic number.

It is not a de Polignac number, because 10587278501 - 2⁶ = 10587278437 is a prime.

It is a super-2 number, since 2×10587278501² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10587278551) 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, 182539256 + ... + 182539313.

It is an arithmetic number, because the mean of its divisors is an integer number (2738089275).

Almost surely, 2^10587278501 is an apocalyptic number.

It is an amenable number.

10587278501 is a deficient number, since it is larger than the sum of its proper divisors (365078599).

10587278501 is an equidigital number, since it uses as much as digits as its factorization.

10587278501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365078598.

The product of its (nonzero) digits is 156800, while the sum is 44.

The spelling of 10587278501 in words is "ten billion, five hundred eighty-seven million, two hundred seventy-eight thousand, five hundred one".