13555040502 has 16 divisors (see below), whose sum is σ = 27842786352. Its totient is φ = 4396229280.

The previous prime is 13555040497. The next prime is 13555040549. The reversal of 13555040502 is 20504055531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13555040502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30529149 + ... + 30529592.

It is an arithmetic number, because the mean of its divisors is an integer number (1740174147).

Almost surely, 2^13555040502 is an apocalyptic number.

13555040502 is an abundant number, since it is smaller than the sum of its proper divisors (14287745850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13555040502 is a wasteful number, since it uses less digits than its factorization.

13555040502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61058783.

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 13555040502 in words is "thirteen billion, five hundred fifty-five million, forty thousand, five hundred two".