5561261502 has 16 divisors (see below), whose sum is σ = 11506058640. Its totient is φ = 1789831232.

The previous prime is 5561261491. The next prime is 5561261513. The reversal of 5561261502 is 2051621655.

It is an interprime number because it is at equal distance from previous prime (5561261491) and next prime (5561261513).

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, 15980463 + ... + 15980810.

It is an arithmetic number, because the mean of its divisors is an integer number (719128665).

Almost surely, 2^5561261502 is an apocalyptic number.

5561261502 is an abundant number, since it is smaller than the sum of its proper divisors (5944797138).

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

5561261502 is a wasteful number, since it uses less digits than its factorization.

5561261502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31961307.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 5561261502 is about 74573.8660792103. The cubic root of 5561261502 is about 1771.7037551241.

The spelling of 5561261502 in words is "five billion, five hundred sixty-one million, two hundred sixty-one thousand, five hundred two".