5551550111535 has 32 divisors (see below), whose sum is σ = 8905701572352. Its totient is φ = 2953092253440.

The previous prime is 5551550111531. The next prime is 5551550111561. The reversal of 5551550111535 is 5351110551555.

It is a happy number.

It is not a de Polignac number, because 5551550111535 - 2² = 5551550111531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551550111531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14741707 + ... + 15113603.

It is an arithmetic number, because the mean of its divisors is an integer number (278303174136).

Almost surely, 2^{5551550111535} is an apocalyptic number.

5551550111535 is a deficient number, since it is larger than the sum of its proper divisors (3354151460817).

5551550111535 is a wasteful number, since it uses less digits than its factorization.

5551550111535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374503.

The product of its (nonzero) digits is 234375, while the sum is 42.

The spelling of 5551550111535 in words is "five trillion, five hundred fifty-one billion, five hundred fifty million, one hundred eleven thousand, five hundred thirty-five".