10551015091 has 2 divisors, whose sum is σ = 10551015092. Its totient is φ = 10551015090.

The previous prime is 10551015073. The next prime is 10551015149. The reversal of 10551015091 is 19051015501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10551015091 - 2¹¹ = 10551013043 is a prime.

It is a super-2 number, since 2×10551015091² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10551015061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275507545 + 5275507546.

It is an arithmetic number, because the mean of its divisors is an integer number (5275507546).

Almost surely, 2^10551015091 is an apocalyptic number.

10551015091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10551015091 is an equidigital number, since it uses as much as digits as its factorization.

10551015091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 28.

The spelling of 10551015091 in words is "ten billion, five hundred fifty-one million, fifteen thousand, ninety-one".