10534421251 has 4 divisors (see below), whose sum is σ = 10534647312. Its totient is φ = 10534195192.

The previous prime is 10534421243. The next prime is 10534421269. The reversal of 10534421251 is 15212443501.

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 10534421251 - 2³ = 10534421243 is a prime.

It is a super-2 number, since 2×10534421251² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10534421851) 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, 14500 + ... + 145873.

It is an arithmetic number, because the mean of its divisors is an integer number (2633661828).

Almost surely, 2^10534421251 is an apocalyptic number.

10534421251 is a deficient number, since it is larger than the sum of its proper divisors (226061).

10534421251 is an equidigital number, since it uses as much as digits as its factorization.

10534421251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226060.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 10534421251 its reverse (15212443501), we get a palindrome (25746864752).

The spelling of 10534421251 in words is "ten billion, five hundred thirty-four million, four hundred twenty-one thousand, two hundred fifty-one".