102661241415 has 32 divisors (see below), whose sum is σ = 169475742720. Its totient is φ = 53039565696.

The previous prime is 102661241411. The next prime is 102661241437. The reversal of 102661241415 is 514142166201.

It is not a de Polignac number, because 102661241415 - 2² = 102661241411 is a prime.

It is a super-2 number, since 2×102661241415² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102661241411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 754497 + ... + 880106.

It is an arithmetic number, because the mean of its divisors is an integer number (5296116960).

Almost surely, 2^102661241415 is an apocalyptic number.

102661241415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102661241415 is a deficient number, since it is larger than the sum of its proper divisors (66814501305).

102661241415 is a wasteful number, since it uses less digits than its factorization.

102661241415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634743.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 102661241415 in words is "one hundred two billion, six hundred sixty-one million, two hundred forty-one thousand, four hundred fifteen".