61501126266355 has 32 divisors (see below), whose sum is σ = 75295615868928. Its totient is φ = 48213837100800.

The previous prime is 61501126266331. The next prime is 61501126266397. The reversal of 61501126266355 is 55366262110516.

It is a happy number.

It is not a de Polignac number, because 61501126266355 - 2¹³ = 61501126258163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61501126266299 and 61501126266308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49337527 + ... + 50568703.

It is an arithmetic number, because the mean of its divisors is an integer number (2352987995904).

Almost surely, 2^{61501126266355} is an apocalyptic number.

61501126266355 is a deficient number, since it is larger than the sum of its proper divisors (13794489602573).

61501126266355 is a wasteful number, since it uses less digits than its factorization.

61501126266355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232107.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 61501126266355 in words is "sixty-one trillion, five hundred one billion, one hundred twenty-six million, two hundred sixty-six thousand, three hundred fifty-five".