10554001521 has 16 divisors (see below), whose sum is σ = 16092720000. Its totient is φ = 6026946048.

The previous prime is 10554001517. The next prime is 10554001529. The reversal of 10554001521 is 12510045501.

It is not a de Polignac number, because 10554001521 - 2² = 10554001517 is a prime.

It is a super-2 number, since 2×10554001521² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10554001491 and 10554001500.

It is not an unprimeable number, because it can be changed into a prime (10554001529) 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, 129696 + ... + 194753.

It is an arithmetic number, because the mean of its divisors is an integer number (1005795000).

Almost surely, 2^10554001521 is an apocalyptic number.

It is an amenable number.

10554001521 is a deficient number, since it is larger than the sum of its proper divisors (5538718479).

10554001521 is a wasteful number, since it uses less digits than its factorization.

10554001521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326008.

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 10554001521 in words is "ten billion, five hundred fifty-four million, one thousand, five hundred twenty-one".