61062001550 has 24 divisors (see below), whose sum is σ = 123900353352. Its totient is φ = 22204364000.

The previous prime is 61062001549. The next prime is 61062001577. The reversal of 61062001550 is 5510026016.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55510361 + ... + 55511460.

It is an arithmetic number, because the mean of its divisors is an integer number (5162514723).

Almost surely, 2^61062001550 is an apocalyptic number.

61062001550 is an abundant number, since it is smaller than the sum of its proper divisors (62838351802).

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

61062001550 is a wasteful number, since it uses less digits than its factorization.

61062001550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111021844 (or 111021839 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 61062001550 its reverse (5510026016), we get a palindrome (66572027566).

The spelling of 61062001550 in words is "sixty-one billion, sixty-two million, one thousand, five hundred fifty".