1215670950407 has 4 divisors (see below), whose sum is σ = 1215766587360. Its totient is φ = 1215575313456.

The previous prime is 1215670950371. The next prime is 1215670950409. The reversal of 1215670950407 is 7040590765121.

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

It is a cyclic number.

It is not a de Polignac number, because 1215670950407 - 2¹² = 1215670946311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215670950409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47799407 + ... + 47824832.

It is an arithmetic number, because the mean of its divisors is an integer number (303941646840).

Almost surely, 2^{1215670950407} is an apocalyptic number.

1215670950407 is a deficient number, since it is larger than the sum of its proper divisors (95636953).

1215670950407 is an equidigital number, since it uses as much as digits as its factorization.

1215670950407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95636952.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 1215670950407 in words is "one trillion, two hundred fifteen billion, six hundred seventy million, nine hundred fifty thousand, four hundred seven".