11953977007 has 16 divisors (see below), whose sum is σ = 13699667520. Its totient is φ = 10217829888.

The previous prime is 11953976941. The next prime is 11953977029. The reversal of 11953977007 is 70077935911.

11953977007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11953977007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11953977037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5175969 + ... + 5178277.

It is an arithmetic number, because the mean of its divisors is an integer number (856229220).

Almost surely, 2^11953977007 is an apocalyptic number.

11953977007 is a deficient number, since it is larger than the sum of its proper divisors (1745690513).

11953977007 is an equidigital number, since it uses as much as digits as its factorization.

11953977007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050.

The product of its (nonzero) digits is 416745, while the sum is 49.

The spelling of 11953977007 in words is "eleven billion, nine hundred fifty-three million, nine hundred seventy-seven thousand, seven".