70261211401 has 4 divisors (see below), whose sum is σ = 70261952272. Its totient is φ = 70260470532.

The previous prime is 70261211389. The next prime is 70261211437. The reversal of 70261211401 is 10411216207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 70261211401 - 2³³ = 61671276809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70261211201) 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, 202935 + ... + 426268.

It is an arithmetic number, because the mean of its divisors is an integer number (17565488068).

Almost surely, 2^70261211401 is an apocalyptic number.

It is an amenable number.

70261211401 is a deficient number, since it is larger than the sum of its proper divisors (740871).

70261211401 is a wasteful number, since it uses less digits than its factorization.

70261211401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740870.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 70261211401 its reverse (10411216207), we get a palindrome (80672427608).

The spelling of 70261211401 in words is "seventy billion, two hundred sixty-one million, two hundred eleven thousand, four hundred one".