11903867477 has 2 divisors, whose sum is σ = 11903867478. Its totient is φ = 11903867476.

The previous prime is 11903867473. The next prime is 11903867531. The reversal of 11903867477 is 77476830911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10143309796 + 1760557681 = 100714^2 + 41959^2 .

It is a cyclic number.

It is not a de Polignac number, because 11903867477 - 2² = 11903867473 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11903867473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5951933738 + 5951933739.

It is an arithmetic number, because the mean of its divisors is an integer number (5951933739).

Almost surely, 2^11903867477 is an apocalyptic number.

It is an amenable number.

11903867477 is a deficient number, since it is larger than the sum of its proper divisors (1).

11903867477 is an equidigital number, since it uses as much as digits as its factorization.

11903867477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 11903867477 in words is "eleven billion, nine hundred three million, eight hundred sixty-seven thousand, four hundred seventy-seven".