61562547003 has 18 divisors (see below), whose sum is σ = 84835020636. Its totient is φ = 39709177200.

The previous prime is 61562546951. The next prime is 61562547041. The reversal of 61562547003 is 30074526516.

It is not a de Polignac number, because 61562547003 - 2²⁶ = 61495438139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61562547703) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13320033 + ... + 13324653.

It is an arithmetic number, because the mean of its divisors is an integer number (4713056702).

Almost surely, 2^61562547003 is an apocalyptic number.

61562547003 is a deficient number, since it is larger than the sum of its proper divisors (23272473633).

61562547003 is an frugal number, since it uses more digits than its factorization.

61562547003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9307 (or 4655 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 61562547003 in words is "sixty-one billion, five hundred sixty-two million, five hundred forty-seven thousand, three".