1215070151077 has 16 divisors (see below), whose sum is σ = 1282503720960. Its totient is φ = 1147987642032.

The previous prime is 1215070151047. The next prime is 1215070151093. The reversal of 1215070151077 is 7701510705121.

It is a cyclic number.

It is not a de Polignac number, because 1215070151077 - 2¹⁵ = 1215070118309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215070151027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15999048 + ... + 16074814.

It is an arithmetic number, because the mean of its divisors is an integer number (80156482560).

Almost surely, 2^{1215070151077} is an apocalyptic number.

It is an amenable number.

1215070151077 is a deficient number, since it is larger than the sum of its proper divisors (67433569883).

1215070151077 is a wasteful number, since it uses less digits than its factorization.

1215070151077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78072.

The product of its (nonzero) digits is 17150, while the sum is 37.

Adding to 1215070151077 its reverse (7701510705121), we get a palindrome (8916580856198).

The spelling of 1215070151077 in words is "one trillion, two hundred fifteen billion, seventy million, one hundred fifty-one thousand, seventy-seven".