10354250415521 has 2 divisors, whose sum is σ = 10354250415522. Its totient is φ = 10354250415520.

The previous prime is 10354250415503. The next prime is 10354250415559. The reversal of 10354250415521 is 12551405245301.

It is an a-pointer prime, because the next prime (10354250415559) can be obtained adding 10354250415521 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10294696846225 + 59553569296 = 3208535^2 + 244036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10354250415521 is a prime.

It is a super-3 number, since 3×10354250415521³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (10354250415121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5177125207760 + 5177125207761.

It is an arithmetic number, because the mean of its divisors is an integer number (5177125207761).

Almost surely, 2^{10354250415521} is an apocalyptic number.

It is an amenable number.

10354250415521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10354250415521 is an equidigital number, since it uses as much as digits as its factorization.

10354250415521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 10354250415521 in words is "ten trillion, three hundred fifty-four billion, two hundred fifty million, four hundred fifteen thousand, five hundred twenty-one".