10999152977 has 2 divisors, whose sum is σ = 10999152978. Its totient is φ = 10999152976.

The previous prime is 10999152971. The next prime is 10999153001. The reversal of 10999152977 is 77925199901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7470317761 + 3528835216 = 86431^2 + 59404^2 .

It is a cyclic number.

It is not a de Polignac number, because 10999152977 - 2²⁰ = 10998104401 is a prime.

It is a super-2 number, since 2×10999152977² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10999152971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5499576488 + 5499576489.

It is an arithmetic number, because the mean of its divisors is an integer number (5499576489).

Almost surely, 2^10999152977 is an apocalyptic number.

It is an amenable number.

10999152977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10999152977 is an equidigital number, since it uses as much as digits as its factorization.

10999152977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3214890, while the sum is 59.

The spelling of 10999152977 in words is "ten billion, nine hundred ninety-nine million, one hundred fifty-two thousand, nine hundred seventy-seven".