61115150963 has 2 divisors, whose sum is σ = 61115150964. Its totient is φ = 61115150962.

The previous prime is 61115150959. The next prime is 61115151047. The reversal of 61115150963 is 36905151116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61115150963 - 2² = 61115150959 is a prime.

It is not a weakly prime, because it can be changed into another prime (61115150933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30557575481 + 30557575482.

It is an arithmetic number, because the mean of its divisors is an integer number (30557575482).

Almost surely, 2^61115150963 is an apocalyptic number.

61115150963 is a deficient number, since it is larger than the sum of its proper divisors (1).

61115150963 is an equidigital number, since it uses as much as digits as its factorization.

61115150963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 38.

The spelling of 61115150963 in words is "sixty-one billion, one hundred fifteen million, one hundred fifty thousand, nine hundred sixty-three".