61433155007 has 16 divisors (see below), whose sum is σ = 70849062912. Its totient is φ = 52177426560.

The previous prime is 61433155001. The next prime is 61433155013. The reversal of 61433155007 is 70055133416.

It is an interprime number because it is at equal distance from previous prime (61433155001) and next prime (61433155013).

It is not a de Polignac number, because 61433155007 - 2⁸ = 61433154751 is a prime.

It is a super-2 number, since 2×61433155007² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61433155001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4079582 + ... + 4094612.

It is an arithmetic number, because the mean of its divisors is an integer number (4428066432).

Almost surely, 2^61433155007 is an apocalyptic number.

61433155007 is a deficient number, since it is larger than the sum of its proper divisors (9415907905).

61433155007 is a wasteful number, since it uses less digits than its factorization.

61433155007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20318.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 61433155007 in words is "sixty-one billion, four hundred thirty-three million, one hundred fifty-five thousand, seven".