61532310153154 has 16 divisors (see below), whose sum is σ = 92645988554808. Its totient is φ = 30650348299392.

The previous prime is 61532310153121. The next prime is 61532310153163. The reversal of 61532310153154 is 45135101323516.

It can be written as a sum of positive squares in 4 ways, for example, as 11894324904225 + 49637985248929 = 3448815^2 + 7045423^2 .

It is a super-2 number, since 2×61532310153154² (a number of 28 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 4993377 + ... + 12165460.

Almost surely, 2^{61532310153154} is an apocalyptic number.

61532310153154 is a deficient number, since it is larger than the sum of its proper divisors (31113678401654).

61532310153154 is a wasteful number, since it uses less digits than its factorization.

61532310153154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17165589.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 61532310153154 in words is "sixty-one trillion, five hundred thirty-two billion, three hundred ten million, one hundred fifty-three thousand, one hundred fifty-four".