61006105510 has 64 divisors (see below), whose sum is σ = 131075822592. Its totient is φ = 19988470656.

The previous prime is 61006105493. The next prime is 61006105541. The reversal of 61006105510 is 1550160016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1781409 + ... + 1815331.

It is an arithmetic number, because the mean of its divisors is an integer number (2048059728).

Almost surely, 2^61006105510 is an apocalyptic number.

61006105510 is an abundant number, since it is smaller than the sum of its proper divisors (70069717082).

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

61006105510 is a wasteful number, since it uses less digits than its factorization.

61006105510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35077.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 61006105510 its reverse (1550160016), we get a palindrome (62556265526).

The spelling of 61006105510 in words is "sixty-one billion, six million, one hundred five thousand, five hundred ten".