10751261521 has 24 divisors (see below), whose sum is σ = 14544633152. Its totient is φ = 7733167200.

The previous prime is 10751261503. The next prime is 10751261551. The reversal of 10751261521 is 12516215701.

It is not a de Polignac number, because 10751261521 - 2⁷ = 10751261393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10751261501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477195 + ... + 499216.

Almost surely, 2^10751261521 is an apocalyptic number.

10751261521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10751261521 is a deficient number, since it is larger than the sum of its proper divisors (3793371631).

10751261521 is a wasteful number, since it uses less digits than its factorization.

10751261521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976453 (or 976442 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 31.

It can be divided in two parts, 10751 and 261521, that added together give a palindrome (272272).

The spelling of 10751261521 in words is "ten billion, seven hundred fifty-one million, two hundred sixty-one thousand, five hundred twenty-one".