10615897942394 has 4 divisors (see below), whose sum is σ = 15923846913594. Its totient is φ = 5307948971196.

The previous prime is 10615897942357. The next prime is 10615897942409. The reversal of 10615897942394 is 49324979851601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9484940136169 + 1130957806225 = 3079763^2 + 1063465^2 .

It is a super-2 number, since 2×10615897942394² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2653974485597 + ... + 2653974485600.

It is a 1-persistent number, because it is pandigital, but 2⋅10615897942394 = 21231795884788 is not.

Almost surely, 2^{10615897942394} is an apocalyptic number.

10615897942394 is a deficient number, since it is larger than the sum of its proper divisors (5307948971200).

10615897942394 is an equidigital number, since it uses as much as digits as its factorization.

10615897942394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307948971199.

The product of its (nonzero) digits is 117573120, while the sum is 68.

The spelling of 10615897942394 in words is "ten trillion, six hundred fifteen billion, eight hundred ninety-seven million, nine hundred forty-two thousand, three hundred ninety-four".